What's the differentiating characteristic between an element and a compound

Why do people always use drugs

Why do cells need to divide themselves

When drug addicts stop using a drug they may experience withdrawal because?

Identify the type of reproduction that results in offspring that are genetically to their parent

What does the leafs cuticle do?

What are ribosomes present in?

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?

When a species disappears from an area it once occupied, but the species still exists elsewhere, this is called?

Water dissolves many ionic and molecular compounds because of its?

After inoculating the chemostat, you find that after a couple of days, there are no more bacteria in the culture vessel. the medium you are supplying contains all of the essential nutrients for your bacterium.