Answer:
Two objects containing charge with the same direction of motion have a magnetic attraction force between them. Similarly, objects with charge moving in opposite directions have a repulsive force between them. In our article on magnetic fields we learned how moving charge surrounds itself with a magnetic field.
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Answer:
Magnetic forces are non contact forces; they pull or push on objects without touching them. Magnets are only attracted to a few 'magnetic' metals and not all matter. Magnets are attracted to and repel other magnets.
The force that a magnet exerts on certain materials, including other magnets, is called magnetic force.North and south poles of two magnets attract each other, while two north poles or two south poles repel each other. A magnet can exert force over a distance because the magnet is surrounded by a magnetic field.
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Why does a predator kill its prey, when a parasite rarely kills its host?
Answer:
Usually, parasites are much smaller than the host is, whereas predators could be either small or larger than the prey. Parasites have a very high reproduction rate but the predators reproduce slowly.
Explanation:
what observation led researchers to propose that chloroplasts envolved from cyanobacteria
What is the effect of loss of
red blood cells
a low red blood count can cause feeling of fatigue and weakness.
Answer:
It causes anemia
Explanation:
From where do most producers get energy?
1. the sun
2. decomposers
3. consumers
4. other producers
Answer:
Energy is the ability to do work. ... The energy of the sun is first captured by producers (Figure below), organisms that can make their own food. Many producers make their own food through the process of photosynthesis. The "food" the producers make is the sugar, glucose.
Explanation:
hope this helps you :)
what are the monomers of carbohydrates
Answer:
Monosaccharides are the monomers that make up carbohydrates. Glucose is an example of a monosaccharide. Glycerol and fatty acids are the monomers that make up lipids. Nucleotides are the monomers that make up nucleic acids.
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i love you
Explanation:
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Why is there more nitrogen than oxygen in the air?
Answer:
Nitrogen is a stable gas and doesn't want to react to anything. When you breathe in air, you breathe in nitrogen along with oxygen. However, as oxygen gets absorbed into your body, since nitrogen is stable, you breathe it back out, leaving more nitrogen in the air.
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Which information would a population ecologist include when conducting a study? CHOOSE 2 ANSWERS!!!
A - birth rate of species
B - structure of organisms
C - reproduction system of animals
D- average number of prey animals consumed by a predator
Answer:
a and d
Explanation:
the birth and death rates are important, they are they numbers in which a population is
Answer:
a and d
Explanation:
what does a human neuron use to send a signal to the brain in response to a stimulus such as touch?
A. myosin and actin
B. contraction and relaxation
C. respiration and absorption
D. electrical signals and chemical neurotransmitters
Answer:
D.electrical signals and chemical neurotransmitters
Explanation:
chemical transmitters are the language that neurons use to connect eachother.
Which ia an example of overexploitation
The best example of overexploitation of a resource is overfishing.
How does the location of the nodules relate to the function of the nodule? Explain
Answer:
loser lol
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Explanation:
dumbo
Answer:its not realtble
Explanation:
1. What are the end products of photosynthesis?
2. What is Transpiration ?
3. What are the signifance of transpiration ?
4. Give One example for each of the following modified leaves:
a. Leaf Tendrils.
b. Spines
c. Scale Leaves
5. Give some names of insectivous plants.
6. Define Vegeative Propogation ?
Please help me asappp !! Now I need help :)))
Answer:
1. Glucose And Oxygen.
2. Transpiration is the process by which water is lost in the form of water vapour by evaporation from the surface of leaves and other serial parts of plant .
3. A. Cooling Effect : The water keeps on evaporating from the leaf surface during transpiration . The heat required for evaporation of water is obtained from the plant itself and thus, the plant cools itself when it is hot outside.
B. Transpiration Pull : As water evaporates from the leaf surface, the roots pull up more water from the soil to make up for the water loss during transpiration .As a result, important mineral salts are also brought along with the water. These salts are necessary for the growth of the plant .
4. Leaf Tendrils : Sweet Pea
Spines : Cactus
Scale Leaves : Onion
5. Pitcher Plant, Venus FlyTrap, Blodderwort
6. Normally plants propogate with the help of seeds contained in the fruits . But some new plants may also be produced from other part of the plant such as the roots, stems, and leaves . This type of reproduction is called vegetative propogation .
E.g. = Bryophyllum .
Explanation:
Hope it works out !!Pet owners begin to abandon their Burmese pythons in the Everglades when they become too large for home care. Native species of frogs and reptiles decrease with the introduction of the snakes. What does this scenario represent?
Answer: This scenario represents predation.
Explanation:
Predators are the animals which kill and consume other animals or birds to sustain their lives.
Burmese pythons are predators which can kill frogs and other reptiles in Everglades. These can consume wild animals like mammals and birds. They can even kill and eat alligators.
These pythons if kept as a pet can harmful for their owners and must be get rid of them. According to this scenario the pythons being predators can eat native frogs and other reptiles thus will decrease the population of the frogs and reptile. Thus will disturb the natural balance.
Answer:
A loss of biodiversity due to an invasive species.
In desert plants, rate of water loss gets reduced due to the presence of
Answer:
In desert plants, rate of water loss gets reduced due to the presence of cuticle.
Explanation:
Cuticle are protective, hydrophobic waxy covering produced by epidermal cells of leaves, young shoots and other aerial parts. It minimises the water loss through transpiration (with the help of stomata) and also reduces pathogen entry.
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Which law or principle does the diagram represent?
Answer:c
Explanation: The law of segregation is given by the George Mandal.
Answer:
the correct answer is C. Segregation
Explanation:
i took the test on edge 2020 and got an 100%
Exposure to a harmful substance in the first 6 weeks of embryonic development is most likely to have an effect on_______.
Answer:
Embryo/ fetus in self
Explanation:
Which evidence is most likely used to indicate the beginning of solar system formation?
Answer:
The answer is B or Materials were pulled together by gravity.
Explanation:
Answer:
materials were pulled together by gravity.
Explanation:
the "big bang theory"
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Water conservation is an important issue for many reasons. One factor is that water conservation preserves and protects our natural resources. Conserving water means more water is available to serve additional water needs, as well as for wildlife and recreation. Water conservation practices can result in lower wastewater discharges which can mean an improvement in overall water quality. Conserving water diminishes our need to find or build new water sources, leaving them in reserve for our possible later use. Preservation does result in
A) lower algae levels
B) reduction in industry standards
C) slowing the building of new housing
D) lessening the need to find new water sources
Answer:
i believe the answer is D) lessening the need to find new water sources
Number 2 is the one that needs to be answered
Answer:
2. The US uses far less renewable energy than most other countries.
Explanation:
US uses very less renewable entgy in comparison to other countries because of several reasons such as:
overall cost of renewable energy is very high.limitations to geography.can cause pollution, such as biomass.fossil fuels are more reliable as do not depend on other environemntal fluctuations such as solar light.Hence, the correct option is 2.
list the differences between saturated and unsaturated fats
Answer:
Unsaturated fats, which are liquid at room temperature, are different from saturated fats because they contain one or more double bonds and fewer hydrogen atoms on their carbon chains.
Explanation:
Which strand of mRNA would be made during transcription using the DNA
strand shown below?
GTT ACC
O A. CUU AGG
B. CTT AGG
C. CTT ACC
D. CAA UGG
ISBN
Answer:
The correct answer is D. CAA UGG
Explanation:
According to the rule of base pairing the Adenine make complementary base pairing with thymine and thymine with adenine and guanine and cytosine base pairs with each other in DNA.
In RNA in place of thymine, uracil base pairs with the adenine. Therefore according to this base-pairing rule, the DNA strand GTT ACC will give rise to transcript CAA UGG. So in place of adenine uracil has come.
Therefore the correct answer to this question is D. D. CAA UGG
Answer:
D.
Explanation:
a p e x
When using muzzleloading firearms Fg, FFg, FFFg and FFFFg are examples of what?
A, Different types or sizes of ammunition
B, Different granulation sizes of black powder
C, Different types of firing mechanisms
D, Different barrel types or lengths
Answer:
B, Different granulation sizes of black powder
Explanation:
A muzzleloader firearm is a firearm that has a muzzle through which the propeller and the projectile is loaded from. For muzzleloader firearms, Fg, FFg, FFFg and FFFFg are examples of Different granulation sizes of black powder. The number of F's represent how the black powder is grounded, FFFFg is the smoothest and is used for muzzleloading rifles of 45 caliber and smaller. FFG is less smooth and is used in muzzleloading rifles larger than 45 caliber while FG is the most coarse used in large bore shotguns.
Please help me out and give me the answer :).
Answer:
A. less genetic variation in human
Explanation:
the species could die out due to disease and any immunity gained will die with the individual.
how will a organism be benefited if it reproduces through spores
Answer:
Spore can survive under unfavorable conditions as they are covered by a hard protective coat. Spores can grow to produce new plants and does not require sexual interaction with another organism. Due to their small size and light weight, they can be dispersed easily.
Spores can remain dormant till favourable conditions become available. b. Spores help an organism to tide over the bad phase. Spores can be spread through water, air or animals and thus is good for the spread of an organism to more places.
Explanation: hope this helps bro! (:
Think about water and how it rolls up on the beach. Think of all its qualities. Is it alive according to the characteristics of life? Why or why not?
Answer:
no, water is not alive
Explanation:
it does not need nutrients, breath or grow the way other living things do
During replication, which sequence of nucleotides would bond with the DNA sequence ATCAG?
Answer:
TAGTC
Explanation:
There are four different nucleotides in DNA: adenine, thymine, cytosine and guanine.
The bases pair like so:
A with T (adenine with thymine)
C with G (cytosine with guanine)
The DNA sequence given is :
ATCAG
Match As with Ts, Ts with As, Cs with Gs and Gs with Cs.
The sequence of nucleotides that would bond with the sequence above is:
TAGTC
Why can an HIV infection not be treated by antibiotics?
Answer:
because HIV is a virus and antibiotics treat bacterial infections.
Explanation:
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Answer:
HIV is a viral rather than bacterial disease, so antibiotics cannot be used to treat it directly. But because the virus disrupts the body's own disease-fighting immune system, antibiotics critical for treating patients infected with HIV.
Explanation:
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well..you know what i mean : )
a cross two examine two different traits is called
Answer:
The dihybrid cross: charting two different traits in a single breeding experiment. Consider a cross between two parents that are heterozygous for both body color and eye color (BbEe x BbEe). This type of experiment is known as a dihybrid cross.
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16. Assume that you drop a rock from the top of a tall cliff and it takes 3 seconds for the rock to fall to the bottom of the cliff. What is the rock’s velocity when it reaches the bottom? How do you know?
17. When you shoot an arrow at a target, why should you aim above the bull’s eye if you want the arrow to hit the bull’s eye?
Answer:I think it is 29.4
Explanation: Earths gravitational pull is 9.8m/s and multipky that by three to get 29.4.
Im doing the same test :)
What are the monomers of DNA called
Answer: The monomer units of DNA are nucleotides.
Explanation: Hopefully this was helpful :)
Mention three importance of soil organisms.
Explanation:
soil organisms which range in size from microscopic cells that digest decaying organic material to small mammals that live primarily on other soil organisms play an important role in maintaining fertility structure drainage and aeration of soil