Answer:
3.14g (3.s.f.)
Explanation:
change in mass = 0.25
mass at start = 7.96
percentage change in mass = 0.25/7.96 × 100
= 3.14g (3.s.f.)
The answer for Part A is: In an action-reaction pair the forces work on different objects.
There different places so when the earth is spinning around the sun it doesn't hit everything <span />
Answer:
Atmospheric greenhouse gasses are trapping heat and raising the temperature of the land, the air, and the oceans.
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Answer:
Nitrogen-fixing bacteria, microorganisms capable of transforming atmospheric nitrogen into fixed nitrogen (inorganic compounds usable by plants). More than 90 percent of all nitrogen fixation is effected by these organisms, which thus play an important role in the nitrogen cycle.
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