Which theory suggests that the moon and the earth formed at the same time from dust and the solar nebula that formed the sun?

A.) impact theory

B.) co formation theory

C.) capture theory

D.) synchronous theory

7 places that carbon exists

What color are cosmic rays?

A 610-N hiker carrying an 11.0-kg backpack hiked up a trail for 23 minutes. At the end of that time, he is 150 m higher than when he started.

Which of the following devices is made of two different metals and produces a voltage when the metals are exposed to heat? A. An accelerometer B. A photovoltaic cell C. A crystal D. A thermocouple

Describe two forms of energy-efficient transportation.

You push a 45 kg wooden box across a wooden floor at a constant speed of 1.0 m/s. The coefficient of kinetic friction is 0.25. Now you double the force on the box. How long would it take for the velocity of the crate to double to 2.0 m/s

What is the middle layer of earth called

If 10 calories of energy are added to 2 grams of ice at - 30° C, calculate the final temperature of the ice. (Notice that the specific heat of ice is different from that of water.) T. F = -20° C -30° C 30° C 40° C

Are microwaves and radio waves faster or slower than other types of electromagnetic energy?

Write 5 sentences on the importance of including vegetables in your diet.