!48 points!A bal is tog up and over at the balows down as a moves from Position 1 to Position 3, and it speeds up as it moves from Position 3 to Position 5. At which point is the ball Kinetic energy being transformed into gravitational potential energy?
Only when the ball rolls from Position to Position 3
Only when the ball rolls from Position 3 to Position 5
The entire time the ball is rolling from Position to Position 5
It is not being transformed at any time because Kinetic energy cannot be transformed into gravitational potential energy

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u

c.           is the correct answer

the nitrogen cycle provides nitrogen to the ecosystem from the atmosphere, ground and oceans. nitrogen is an important component of complex molecules such as amino acids and nucleotides, which lead to the creation of proteins and dna, the building blocks of all life. plants absorb nitrogen in the form of ammonium, nitrate ion and, on rare occasions, as amino acids. animals receive nitrogen necessary for biological processes from feeding on living or dead organic matter.