Genetics and heredity test

The soil of the temperate forest is often rich in humus. Which statement best explains the presence of humus in the temperate forest? A. Humus forms from fallen leaves, dead wood, and other dead organic matter. B.

What do H2O, NaCI, CO2, and HCI have in common

Folding occurs because: A. the earth's crust is moving B. magma builds up below the surface C. wind and water erode current land masses D. sedimentary rocks easily crack under pressure

Alice is performing an experiment to determine which mouthwash kills the most bacteria. She is testing three different mouthwashes. She uses four pieces of filter paper. Each piece of filter paper was 3 cm in diameter.

Why is it important for cells to buffer solutions against rapid changes in ph?

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.