A barrier erected to prevent you from falling to lower levels is known as a:

Brainliest for the first person to answer Which is a characteristic of an electromagnetic wave? The fields are at right angles to each other and to the direction of the wave. The waves are produced when an electric charge is at rest.

What are three habits that you plan to change in your own life to ensure that you age healthier?

When you explain or interpret an observation you are

A heat engine operating between energy reservoirs at 20? c and 650? c has 26 % of the maximum possible efficiency.

The black circles in the center of the model represent neutrons. What do the white circles in the center represent? electrons nuclei protons atoms

California has been spending money to establish desalination plants. The state is preparing for

What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N

When two or more pure substances are blended together the result is a?

10 PTS. A resistor has a value of 2.2 x 10⁵ Ω ± 20%. What is the range of possible values for this resistor?

Describe 3 uses of radioactivity isotopes