What is the process by which bacteria convert nitrogen gas in the air to ammonia and nitrates which can then be used by plants?

how do current levels of plant and animal biodiversity on easter island compare with past biodiversity levels

Carol eats 800 kilocalories a day to lose weight. She is 60 years old. Carol has been walking briskly 60 minutes daily for the past 2 months.

Which three glands secrete the protein fluids which are constituents of semen?

Which organisms are prokaryotes? A. archaea B. fungi C. protists D. plants

Indicate which strategy is likely to lead to optimal muscle glycogen replenishment. type of carbohydrate

What are three side effects of a severe deficit of carbohydrates caused by an accumulation of ketones in the blood?

You arrive at the scene of a call to find an elderly man complaining of chest pain. you introduce yourself and ask permission to examine him. he nods and extends his arm. which type of consent is this?

Which scientist came up with the theory of evolution

Water has a higher specific heat index than other common materials, so it takes a lot of energy to raise the temperature of water. How would this affect climate? A) Areas surrounded by water would have more snow.

Is pH=2 an acid, a base, or neutral