D makes the most sense, the rest of them aren’t really logical.
The terms that complete the sentence 'The __________ and __________ are the glands that stimulate reproductive cycles' are b. testes . . . ovaries. Testes are male gonads and ovaries are female gonads in animals. These organs are glands that are involved in reproductive cycles. They produce gametes which take place in reproduction, but they also produce hormones that stimulate reproductive cycles.
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Answer: its CO2 for the first one
Explanation:
C.
explanation- in the case of pure water there are always going to be the same number of hydrogen ions and hydroxide ions present.
Thermal energy to Gravitational PE to Kinetic energy.