HURRY PLEASE Richard decided to spend his vacation backpacking to see how far from sea level he could make it. The term underlined in the sentence above can best be described as . A. a reference point for measuring elevation B. a change in the intensity of temperature C. something that moves from one place to another D. a variety in the types of life-forms that live in a particular environment

How long does it take neptune to orbit the sun?

What way does renewable energy differ from nonrenewable energy?

To solve this system of equations by elimination, what operation could be used to eliminate the y-variable and find the value of x? 6x + 5y = 2 4x + 2y = 8 a) subtract 2 times the second equation from 3 times the first equation b) subtract 3 times the second equation from 2 times the first equation c) subtract 5 times the second equation from 2 times the first equation d) subtract 2 times the second equation from 5 times the first equation