A forest fire sends carbon monoxide and ash into the air. This is an example of the__1__ affecting the__2___.

1.

A. Hydrosphere

B Lithosphere

C. Atmosphere

2

A Lithosphere

B Atmosphere

C Biosphere

In humans, which part of the brain contains 80 percent of its weight? cerebrum cerebellum spiral cord brain stem

A light beam approaches a plain mirror at an incident angle of 39 degrees. What is the angle of reflection?

How much thermal energy is needed to raise the temperature of 9.5 g of water to 10.0 c

True or False A scientific theory generally is accepted as false until it is proved?

State newton. three lows of motion

What would provide specific information about the materials in the equipment used in a certain experiment

The wavelength of sound wave is 30 m. Frequency is 7 Hz. What is the wave speed

The blood vessels that carry blood away from the heart to the rest of the body are

Mary has been playing an extreme form of dodge ball, where she has to stand on a board and try not to fall off as objects are thrown at her. Which of the following skills should she improve to do well at this game?

Examine the reactants of the incomplete double-displacement reaction. 2NaCl + H2SO4 → _[blank]_. What is the product of the double-displacement reaction?