in scienceif a farmer plants the same crop year after year the soli becomes less fertile what is the cause

Thylakoids contain chlorophyll that absorb solar energy. True or false?

Anton pushes a table across the floor with a force of 6 N. Suppose the table has a mass of 6 kg and he pushes the table for 2 seconds.

How does the body protect itself from these invaders? A. The immune system kills or disables the invading organisms. B. The respiratory system surrounds the invaders with carbon dioxide. C. The respiratory system removes invaders from the blood. D.

In sexually reproducing organisms, why are there exactly two chromosomes in each homologous pair?

What is the primary product of light independent reactions? A high energy sugars B high energy carbohydrates C high energy salts D high energy proteins

A female impala has one or two calves and then spends months feeding and protecting them. a female salmon lays thousands of eggs and then returns to the ocean. what are some advantages from each type of life cycle?

What advantage does the membrane bound organelles give a eukaryotic cell over a prokaryotic cell? 1. The membrane bound organelles allow for multiple reactions to occur in the cell at the same time 2.

What is the relationship between earth, the sun, and the moon in space

What is the product P?

Why might a placoderm be more useful index fossil than a cockroach?