State two ways to keep muscles strong?

What type of vegetation is not frequently found in the tundra? a. mosses b. shrubs c. lichens d. trees

In order to retain heat, what occurs in the skin on a cold day? blood vessels of the dermis constrict. blood vessels of the dermis dilate. blood vessels of the epidermis constrict. blood vessels of the epidermis dilate.

Movement of people wihtin their country, such as moving from one city to another.

When you are in the resistance stage of stress your body is what damage caused in the alarm stage?

Kevin is an oil engineer designing a new pipeline. In order to build the right diameter of pipe, what must he know about the oil they will be transporting through the pipeline? A. its toxicity B. its price C. its viscosity D. its volatility

92 Sathe best for the question 11. Most animals and plants reproduce sexually. This means that DNA is passed down to new organisms from two parental organisms. Which of the following is a key advantage of sexual reproduction?

Which symptom is not associated with vitamin b deficiency?

What is the neutral value on a pH scale? 2 7 14

List four things that are used to determine the climate of an area

7.62 meters is how many feet