What could be considered evidence for the theory that the formation of the grand canyon took millions of years? a) the earthquake that created the canyon took place about a million years ago. b) the grand canyon was wider at the base, than it is at present, a few years ago. c) the rocks that are part of the canyon walls originated millions of years apart. d) the colorado river has changed its course many times in the last million years.

Out of the seven main animal groups (fish, mammals, birds, insects, reptiles, amphibians, and arachnids), how many contain members with internal backbones? a. 5 b. 3 c. 7 d. 1

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

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.