The planet most like the earth in size and gravitation is:

Mars

Jupiter

Venus

Pluto

Do you have to choose 3 or 2

Which condition will cause the pressure exerted by a gas in a closed container to increase? a. an increase in volume b. an increase in temperature c. a decrease in molecular movement d. a decrease in the number of gas molecules

Even though the hubble law for galactic motions indicates that the spectra of all galaxies should show redshift as a consequence of the general expansion of the universe, the andromeda galaxy m31 appears to show a blueshift in its spectrum.

Date Page 710 Amachine raises a load of 750N through a height of 16m in 5 sec calculate a) work done by machine b) Power of machine

CH, + 20, → CO2 + 2H, 0 CH, + 20, are the of the above chemical reaction.

What evidence is there of life in a mini habitat?

A hole is drilled to the center of the earth and a ball is dropped into it. When the ball is at the earth's center, compared with their respective values at the earth's surface,

What is the development of static?

Methane gas absorbs red light, and methane clouds reflect blue light, giving Uranus and Neptune their distinctive blue colors. Why do Uranus and Neptune have methane clouds, but Jupiter and Saturn do not

A brick is released with no initial speed from the roof of a building and strikes the ground in 2.50 s, encountering no appreciable air drag.