I need help with this one. ​

Answer:

Earths Crust

Explanation:

Earth was made before any kind of landscape.

Valcanoes were formed after a pit of lava was filled up.

Answer:

The earths crust came first because the movement of the plates that make up the earths crust create volcanos.

Explanation:

Answer:

*

Explanation:

A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea

The DNA sequence of gene molecules show similarities and differences which can be used to determine species' relatedness.

Answer:

sure , me :)

Explanation:

Answer:

Coral reefs provide an important ecosystem for life underwater, protect coastal areas by reducing the power of waves hitting the coast, and provide a crucial source of income for millions of people. Coral reefs teem with diverse life. Thousands of spec

Hope it helps!!!

Answer:

A. They contain a single circular DNA molecule.

Explanation:

Answer:

B. Natural Selection, others are some what related to genetic engineering.

Answer:

B

Explanation:

A farmer uses genetic engineering to inject dairy cows with a genetically altered hormone (GAH) to result in the production of more milk, and the use of the GAH may increase the amount of hormones in the milk, which is a risk that is present in Option B.

The GAHs that are used in dairy farming can result in an increase in the levels of hormones such as insulin-like growth factor 1 (IGF-1) in the milk, and these hormones can be harmful to human health and are also associated with an increased risk of certain cancers, such as breast cancer and In addition to concerns about the health effects of GAHs, there are also environmental concerns. The increased milk production resulting from GAH use can lead to overproduction, and animals get harmed by these genetically altered hormones.

Hence, the use of the GAH may increase the amount of hormones in the milk, which is a risk that is present in Option B.

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DNA profiling is a forensic technique in criminal investigations, comparing criminal suspects' profiles to DNA evidence so as to assess the likelihood of their involvement in the crime. It is also used in parentage testing, to establish immigration eligibility, and in genealogical and medical research. DNA profiling has also been used in the study of animal and plant populations in the fields of zoology, botany, and agriculture.

Answer: A

Explanation: The majority of diseases are spread by bodily contact, microbes, and items. While it is true that some diseases are passed down through heredity, this fact is not used in court.

Answer:

Its D. I hope this helps!

The equation that correctly represents a change in population density is as follows: Change in Population Density = (Births + Immigration) - (Deaths + Emigration).

Population density refers to average population per unit area; especially, the average number of organism living on each km² of land.

A change in the population density is affected by the following factors:

However, the equation that correctly represents a change in population density is as follows: Change in Population Density = (Births + Immigration) - (Deaths + Emigration).

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Answer:

An isotope is one of two or more forms of the same chemical element. Different isotopes of an element have the same number of protons in the nucleus, giving them the same atomic number, but a different number of neutrons giving each elemental isotope a different atomic weight.

Explanation:

pretty sure its D

Answer:

I think C)The would have to take in and use more energy in order to break the covalent bonds.

Explanation:

Since hydrogen bonds are weaker than covalent bonds.

Answer:

550 milliliters of water is needed.

Explanation:

the student will need 550 milliliters of water for completing the whole experiment. 250 milliliters of water is needed for  boiling purpose while on the other hand, 100 milliliters of water is needed for one process which can be repeated three times so the process needs 300 milliliters of water so by combining the 250 milliliters and 300 550 milliliters of water we get 550 milliliters of water for the whole experiment so we can say that the student needs 550 milliliters of water for the experiment.

Answer:

i think your fine if you love your body then your good no need to change

Explanation:

Answer:

A

Explanation:

A

Answer:

The nervous system acts together with other systems to control a larger organism.

Explanation:

Moreover, it is formed by organs which are also formed by  specific tissues.

Answer: C ( it is made of several components that act interdependently to perform a function as a whole)

Explanation: It's C because I took it for summer school and I got it correct (score: 3/3) : )

Answer:

True

Explanation:

If precipitation occurs more frequently and it precipitates more than what is being extracted, it will eventually fill beyond capacity.

Answer:

1 is rivulets I think or something like that

Answer:

Heyya!

Human development is a slow and gradual process. There seems to be slow and gradual change that becomes abrupt change. The mind has many connections and works according to past habits. A person who seeks to improve themselves will gradually change specific areas within their life. After a while there is a cascade effect that causes linked areas to be altered. Skills and methods that required practice and habit forming transition to being a natural part of life.  When the personality suddenly changes, I use the term evolution. Whenever one occurs, the person will probably see their past self as problematic.

The human development is best characterized as the gradual change.

Human development is explained as the method of increasing people's liberties and opportunities while also improving their well-being.

Human development is about the genuine freedom that ordinary people have to choose who they are, what they do, and how they live.

Cognitive theory is concerned with how a person's thought processes develop.

It also investigates how these thought processes affect how we perceive and interact with the world. One of the most influential theories of cognitive development was proposed by theorist Jean Piaget.

According to proponents of the continuity viewpoint, development is a continuous, gradual, and cumulative process. A child, for example, learns to crawl, then stand, and finally walk. They are slowly learning to walk.

Thus, the human development process is gradual.

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Answer:

Explanation:

When cell divides, the DNA will replicate in the parent cell or make copies of itself and this will make the chromatics to split or divide in order to create a new cell or daughter cell which contain the exact same DNA. The daughter cell then pass these DNA to subsequent generations, when it also undergo cell division and the dna is been replicated

Answer:

Dr. Kettlebell predicted that clean forests would have light peppered colored moths, and polluted forest would have dark peppered colored moths.

Explanation:

Kettlewell thought that if natural selection caused the change in moth population.

Dark moths resting on light trees were more likely to be eaten by birds then light moths.

Dr predicted the clean forest should have light-peppered and polluted forest have dark peppered.

At the time when  Dr predicted the clean forest should have light-peppered and polluted forest have dark peppered.

So here the doctor think that the natural selection leads the change in the moth population. Also, the dark moth should be rested on the light trees that eaten by the birds as compared to the light moth.

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Answer:

Seaweed might start to grow out of control withough crabs eating it, octopuses on the other hand would struggle to find food and start to die off because they relie on crabs to be their food source.

Without crabs to consume it, seaweed would start to grow out of control; octopuses, on the other hand, might struggle to find food and begin to disappear because they depend on crabs as a food supply.

What is the role of seaweed and octopus in ecosystem?

Seaweeds are important components of marine ecosystems. They serve as the primary source of nutrients and energy for marine organisms.

Either directly when fronds are consumed or indirectly when decomposing sections break down into small particles that are ingested by filter-feeding species.

No other creature has a predatory function as significant as that played by octopuses in forming communities.

Therefore, the population of octopuses and seaweed in this ecosystem might be affected if a disease reduced the crab population​.

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Answer:

the mutation changes one codon for an amino acid into another codon for that same amino acid. ... Silent substitutions never alter the amino acid sequence of the polypeptide chain. The severity of the effect of missense and nonsense mutations on the polypeptide will differ on a case-by-case basis.

There is less need for canines and incisors in herbivorous animals as it is mainly used to tear the flesh. Herbivorous animals mainly have developed premolars and molars to grind the grass properly. Horse has small incisors and canines but wide premolars and molars.

Teeth are usually covered with a hard substance called enamel which helps them to be strong. Its color is slightly yellow.

Teeth are of four types. Namely:

Canines are well developed in carnivorous animals as they need to tear the flesh. But in the case of herbivores, these are comparatively smaller.

Thus, an animal jaw that has small incisors and canines but wide premolars and molars may belong to a horse.

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Answer: The reaction is an example of a metathesis reaction, which involves the exchange of ions between the Pb(NO3)2 and KI. The Pb+2 ends up going after the I- resulting in the formation of PbI2, and the K+ ends up combining with the NO3- forming KNO3.

Explanation:

Answer:

b

Explanation: