Why do scientist use classification

A package of chips weighs 45 grams. How much is that in kilograms?

When copper combines with oxygen to form copper oxide, the charge of the copper ion is

A woman hangs from a bar using both her arms. If she weighs 700 N, how much force does each arm support? If she accelerates?

Water cools from 2 to - 2 during this time what happens to the motion of the moleclues

You suspect that a power supply is faulty, but you use a power supply tester to measure its voltage output and find it to be acceptable. Why is it still possible that the power supply may be faulty?

two objects each weighing 2kg are lifted through the same distance in 4s and 1s respectively. which scenario requires more work?

NaCI is__ an acid a base a salt

A rocky space object of varying size

Three balls are kicked from the ground level at some angles above horizontal with different initial speeds. All three balls reached in their paths the samemaximum height.

A solar eclipse will occur Group of answer choices 1. at every full Moon. during every new Moon. 2. at full Moon only when the Moon is on the ecliptic. 3. at new Moon only when the Moon is on the ecliptic.