How often is water added to the Earth's system?

Which of the following statements is true? Groundwater is not part of the water cycle. Most of earths water is freshwater. Refining oil pollutes in the air with nitrogen dioxide. Thermal pollution is the main disadvantage of hydroelectric power.

The condition of albinism is caused by the lack of pigmentation in an animal. Which of the following could be a possible explanation for this rare condition? Select all that may apply.

How is the tidal water pushed through to generate electricity?

How do plants, fungi, and bacteria avoid the damaging effects of a hypotonic environment?

What do humans do to protect the biodiversity of earth

Among human populations, the primary use of fresh water is for A. energy. B. drinking and cooking. C. flushing toilets. D. agriculture and industry. it's not B what is the correct answer?

Becky sometimes has terrible migraines and so tries to avoid foods containing msg. which neurotransmitter may be responsible for her migraines? gaba ach dopamine glutamate

Which part of a leaf contains all the chemicals necessary for photosynthesis?

What is the name of the microtubule-organizing center found in animal cells as an identifiable structure present during all phases of the cell cycle? centriole centrosome centromere kinetochore?

Environmental scientists are unconcerned with methods to preserve natural resources true or false