Answer:
Random Assignment
Explanation:
Random Assignment
Is to randomly assign subjects to different treatment groups to reduce the chances of preexisting differences between the subjects having an impact (negative) on the experiment.
Everything that has a temperature gives off electromagnetic radiation (light). Shortwave radiation contains higher amounts of energy and longwave radiation contains a smaller amount of energy. Therefore, the sun gives off shortwave radiation, as it is extremely hot and has a lot of energy to give.
FSH and LH are the main sex hormones in humans called gonadotrophins. They are secreted by the anterior pituitary gland. They act on the gonads; testes in males and ovaries in females. LH stimulated the production of testosterone by the testes while the hormone stimulates ovulation in females. FHS promotes sperm production in males while it stimulates maturation of ova in female ovaries.
The ocean holds about 97% of the Earth's water. So I'm guessing it's the ocean.
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Scientists often perform experiments to check and recheck their work. They also redo these experiments to ensure correct results.