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what do scientists know about the future of the universe? check all that apply.

that dark matter exists

what dark matter is made of

why the expansion of the universe is accelerating

that invisible matter must be influencing the rotation of galaxies

that galaxies spin faster than they should based on visible matter

Benito is doing research on the effects of florida's elevation on its climate. his notes include the following: 1. the average elevation of florida is 30 m above sea level. 2. the highest point in florida is britton hill, which is 105 m above sea level. 3. the change in temperature from 0 m to 1,000 m is 7 °c. what can benito conclude about the effects of florida's elevation on its climate? a.) florida typically experiences cold temperatures and temperature changes within a narrow range. b.) florida typically experiences cold temperatures and temperature changes within a broad range. c.) florida typically experiences warm temperatures and temperature changes within a narrow range. d.) florida typically experiences warm temperatures and temperature changes within a broad range.

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

How do the sperm cells get from the stigma to the ovules?