Among important crop plants, nitrogen-fixing root nodules are most commonly an attribute of A) corn. B) legumes. C) wheat. D) members of the potato family. E) cabbage and other members of the brassica family.

what volume of air at 1 atm would have to be put into a car tire with a volume of 15 L if the pressure in the car tire is to be 30 psi

3 Pieces of Key Information elements, compounds, mixtures also state a real world example of elements, compounds, mixtures and lastly why is elements, compounds, mixtures are important

Which of the molecules listed below directly donates a nitrogen atom for the formation of urea during the urea cycle?

The coefficients in a chemical equation represent the

A cheetah ran 75 meters at a speed of 25 meters per second. How long was the cheetah running? 3 seconds 5 seconds 30 seconds 50 seconds

An apple is placed on a scale. the scale shows that the apple weighs 1/4 a pound. this demonstrates that the apple has A: Atoms. B: Elements. C: Vitamins. D: Weight.

Identify Cobalt sulfride

If the reactants have a potential energy of 10.2 kJ/mol and the products have a potential energy of 15.7 kJ/mol, what is AH?

How to solve determine the final temperature when 450.2 grams of aluminum at 95.2°c is placed in an insulated calorimeter with 60.0 grams of water at 10.0°c?

Which of the following is true about a scientific hypothesis? A. The hypothesis must form a scientific theory. B. The hypothesis must be testable. C. The hypothesis must predict the outcome of the experiment. D.