The conversion of nitrogen gas to compounds useful to crops is called

nitrogen fixation

nitrogen compounding

nitrogen conversion

nitrogen fusion

All 4 cells produced by meiosis have half as many chromosomes as the original cell true or false

Lem 1 Define the flowing terms: Organelle Tissue

Ryan wants to grow corn as a secondary crop in his field. Corn is an acidic soil crop. Which test should Ryan conduct to test whether the soil is acidic? A. nutrient tests B. pH tests C. soil texture tests D. organic matter tests

Which of the following is the best example of a way human lifestyles affect environmental systems? A) Using aerosol sprays causes acid rain by increasing ozone (O3) in the atmosphere.

A good question to use for a scientific investigation should be testable, and it should be connected to science concepts. Casey wants to do a scientific investigation about light.

What triggers the endometrial lining to release from the uterus when no pregnancy occurs after ovulation?

Assume that life on Earth began 3.5 billion years ago. To the nearest percent, how much of this time have anthropoids been living?

At what temperature is adenoviridae (adenovirus) inactivated and at what temperature (C) is it destroyed?

Evolutionary changes produced only after many generations, such as the appearance of a new species, occurs at what level of evolution? mosaic evolution microevolution convergent evolution

Which natural resource (s) will continue to be present in adequate amounts, despite the rate of usage?