I don't know if this is classified as Biology, but:

What does PSI mean, when it is used for water pressure?

Is it a) Pressure per Square Inch?

Or, b) Pounds per Square Inch?

What structures inside plant cells absorb energy from light?

Occurs when earth shadow falls on the moon

The law of supply suggests that the price elasticity of supply is

A flatworm grows insides a freshwater snail and gives the snail a harmful infection. What relationship does this describe? predation parasitism mutualism commensalism

How does digestion convert carbohydrates into energy your body can use?

Air pollution is caused by A. natural events and human activities. B. human activities but not natural events. C. heavy rainfall. D. the sun.

Which of the following can increase the growth of algae when it enters streams? A) insecticide B) herbicide C) carbon dioxide D) oil

Which are the best examples of types of molecules used for energy storage by organisms? Choose all answers that are correct. A. lipids B. proteins C. nucleic acids D. carbohydrates

Tell me five different invasive species

How much energy is produced by each type of macromolecule