How do electromagnets differ from regular magnets?

A. They can be turned on and off

B. Their polarity can be reversed

C. Their strength can be changed

D. All of the above

What happens to water that is not removed from land by evapotranspiration

An increase in food and a decrease inb predators would most likely - - - genetic variation in a population

Many metabolic pathways are ultimately concerned with atp; either with the generation of atp, or with the requirement of atp for that pathway to function. why is atp so important to metabolism?

The process by which plants convert sunlight to sugar is called?

Which of the following includes all the others inside it? a. plasmid c. foreign gene b. transformed bacterium d. recombinant DNA

An education guess or rational explanation about a specific phenomenon

What are the technical name for red blood cells white blood cells and platelets?

What are the resources of the ocean

Which organism actively hunts other

Where does chemical digestion of food take place?