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a skydiver jumps from an airplane and opens his parachute. at some point during his fall, the downward force of gravity on the skydiver is equal to the upward force of drag on the parachute. which of the following best describes the skydiver's motion at this point?

a.
the skydiver is moving at a constant speed.

b.
the skydiver is moving at an increasing speed.

c.
the skydiver is accelerating downward.

d.
the skydiver is decelerating upward.

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.

answer; aerobic conditions; citric acid cycle (krebs cycle) electron transport chain;         anaerobic conditions; fermentation; both glycolysis;

answer transpiration;

answer; ///(a) ;