How has human use of trees had both a positive and negative impact?

Explain show the equations used to calculate 24um2

A student wrote a sentence describing a difference between sexual reproduction and asexual reproduction. Asexual reproduction requires two parents, and sexual reproduction requires one parent. Which statement describes the student's sentence?

Which of the following would provide the best evidence that species A and species B have a common ancestor? Species A has limbs, and species B does not have limbs.

In a given chemical reaction the energy of the products is greater than the energy of reactants which statement is true for this reaction?

What ecosystems would you expect to have high species richness and low species richness? explain your reasoning

Scientists have genetically engineered potato plants to produce potatoes that contain edible vaccines. which is a disadvantage of the genetically engineered potatoes?

What are the environmental pressures of the plant the cactus?

Why diess a cell make proteins?

Which organism below is a prokaryote? horse human dog bacteria

Why does lotion applied in the, winter mositurize quickly