What is the approximate range of frequencies that humans can hear?

20to 20,000hz

0to 20hz

0 to2hz

0to 2,000hz

Which two body systems initiate the majority of the body's homeostatic responses?

Two organisms that have sexual and two that have asexual reproduction?

What must first occur for transcription to begin

How do organisms get the energy they need?

Would sound travel faster on a hot day or a cold day?

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.