23. Removing trees from a rain forest changes the habitats for many species by (1) decreasing the temperature
(2) increasing the oxygen levels
(3) decreasing the protective cover
(4) increasing the food supply

During the process of two rails or sides break apart and attract new nucleotide bases to form a new and complete strand.

The steps in the formation of extrusive igneous rocks are listed below in an incorrect order: 1. rock melts due to high temperature. 2. rock is buried deep under earth's surface. 3. magma is forced out of earth's surface during volcanic eruption. 4. lava cools and crystallizes to igneous rock. which of these best shows the correct order of steps in the formation of extrusive igneous rocks? 1, 3, 4, 2 2, 1, 3, 4 3, 4, 2, 1 4, 2, 1, 3

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -