The diagram shows the movement of water through a plant. Which sentence best describes how the loss of water from a plant's leaves helps the plant?

A. It causes water to move down into the root system.
B. It causes water to move into the plant's roots. C. It causes the plant's roots to grow toward water.
D. It causes limp guard cells to fill up with water.​

How far away is the nearest black hole from earth?

The human body maintains a temperature of around 98.6 degrees at all times. enzymes are involved in almost every chemical reaction in the body. which of the following describes the connection between these two statements? a. enzymes function best at a specific temperature. b. the body needs to be warm to prevent hypothermia. c. the body is kept relatively warm to prevent too much enzyme action. d. there is no connection between the two statements.

Visualize the structural formula of each of the following hydrocarbons. which hydrocarbon has a double bond in its carbon skeleton?