Which type of nitrogen do most organisms use?

fixed nitrogen

atomic nitrogen

molecular nitrogen

free nitrogen

Fixed Nitrogen.

Explanation:

Fixed nitrogen is nitrogen gas, N2, that has been converted to ammonia (NH3, an ammonium ion (NH4, nitrate (NO3, or another nitrogen oxide so that it can be used as a nutrient by living organisms. Nitrogen fixation is a key component of the nitrogen cycle.

rising temperatures because when water vapor in the air is cooled, it condenses. it turns back into a liquid and attaches to dust particles in the air. these very small water droplets group together to form clouds

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.