Which of these activities is least disruptive to natural ecosystem?

A. Damming rivers

B. Mining minerals

C. Reusing containers

D. Fertilizer crops

Early attempts to develop a geological timescale were based on what

If the midwest experiences a severe drought that damages the corn crops, we should expect the

Students research unicellular, prokaryotic organisms that live in harsh environments such as volcanic hot springs, brine pools, and anaerobic black organic mud.

Fluid filled sacs found between the skin and underlying bony prominences are called

What would happen to the tides if the moon disappeared? A: The tides would become more stronger and powerful, causing immediate flooding. B: Nothing would happen as the moon doesn't affect the tides.

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.