In a soil profile, which is the second layer?

A. parent rock

B. topsoil

C. subsoil

D. solid rock

What is the ability to change color to avoid predators?

What is a description of ecosystem

A client presents to the health care clinic with reports of a 2-day history of sore throat, ear pressure, fever, and stiff neck. The client states she has taken Tylenol and lozenges without relief.

In a body of water, a fish remains at a constant depth while motionless. In the same body of water, a person sinks while motionless. Why? More than one answer may be true. Group of answer choices The person has higher density than the water.

An important challenge to traditional (pre-1860) ideas about species was the observation that seemingly dissimilar organisms, such as hummingbirds, humans, and whales, have similar skeletal structures.

Which statement best describes the relationship between activation energy and rate of reaction? O Increasing the activation energy can increase the rate of a reaction. O Reducing the activation energy can increase the rate of a reaction.

Definition: this is a haploid cell with half the reproductive information from the parent.

Does a cell use energy when molecules diffuse in or out of the cell? Why?

Below is a list of possible challenges. Check all errors that you mentioned in your answer. Traits other than beak type might affect natural selection. It could take many generations to observe adaptions to a population.

A farmer dug a well but did not find any water Which reasons most likely explain why the farmer did not find water? Check all that apply.