Chemistry, 18.10.2019 22:00 mikeeway33
12. a. why is nitrogen necessary for life? include the terms amino acids and proteins in your answer.
b. oxygen combines with nitrogen to form what types of chemicals that are used by plants?
c. why is phosphorus necessary for life?
d. phosphorus combines with oxygen to form what types of chemicals that are used by plants?
e. what does the polar nature of water molecules have to do with substances being able to dissolve in water?
f. why is the ability of substances to dissolve in water important for plants?
Answers: 3
Chemistry, 22.06.2019 09:30, raizagisselle1694
Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?
Answers: 3
Chemistry, 22.06.2019 10:30, kylemartinez13
Which characteristics can be used to differentiate star systems? check all that apply.
Answers: 2
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