Which one of the following substances is a liquid fuel used in rocket engines?

A. Liquid oxygen

B. Potassium perchlorate

C. Codium nitrate

D. Ammonia

How does collecting biomass affect the environment?

According to Einstein's theory, how does an increase in the number of photons affect a beam of light? The wavelength of the beam of light increases. The speed of the beam of light increases. The brightness of the beam of light increases.

How do scientists look for black holes in the sky

The acceleration of a particle moving only on a horizontal xy plane is given by, where is in meters per second squared and t is in seconds. At t 0, the position vector locates the particle, which then has the velocity vector. At t 4.

the frequency of green light is 6*101^4 what is it's wavelengththe frequency of green light is 6 x 10 raise to power 14 what is its wavelength

Which nitrogen base sequence is the partner of C-A-T-C-G-A? O C-A-T-C-G-A O G-T-A-G-C-T OT-G-C-T-A-G O G-C-A-T-G-T TI

What is the kind of energy that comes from movement?

The average kinetic energy of 1 mole of a gas at 273 degrees Celsius is: 6.81 x 103 J 3.40 x 103 J 1.51 x 103 J 6.72 x 101 J

Which one of the following crystal structures has the fewest slip directions and therefore the metals with this structure are generally more difficult to deform at room temperature? a. BCC b. FCC c. HCP d. BCT

To rid the body of wastes, including excess water and salts" is the purpose of what human body system? A) Digestive B) Excretory C) Skeletal D) Nervous