Find the weight of a 15kg rock acceleration due to gravity is 9.8 m/s2

A. 5.2 N

B. 15 N

C. 147 N

D. 1.53 N

If a lava flow at earth's surface has a basaltic composition what rock type would the flow likely be?

When radioactive atoms decay, they give off radiation and ___. A. heat energy B. poisonous gases C. ridge pushes D. p waves

During what period of time does the moon appear in the sky on a new-moon day? a. 12 hours during the day b. 12 hours during the night c. the first six hours in the day and the next six hours in the night d.

In a series of rock layers, a geologist finds fossils of a pine trees and oak trees in layers that are 1.0 m and 1.5 m deep. However, in a layer that is 2.0 m deep, he finds fossils of tropical plants and trees. Which explains his findings? A.

Carlos is analyzing the results of a recent scientific study about gravity. Scientists recorded that the experimental value of gravity was 10.24 m/s² and the general accepted value of gravity is 9.81 m/s².

How much work would it take to move a coulomb charge across a 4 volt potential difference?

Why do people eat vegetables? Not just to stay healthy! But why else do we eat and need vegetables?

How many additional electrons does this atom of oxygen need in its valence shell to satisfy the octet rule?

In the movie "Santa Claus is Coming to Town", the Mayor Burgermeister Meisterburger outlaws toys after tripping on a rubber duck. To make rubber ducks un-crushable while being delivered by Santa, the ducks are filled with an inert, harmless gas. A 2.

Which of the following represents a chemical change? rocks being smoothed by rapid water movement the pink color of a rose iron's attraction to a magnet decomposition of stone due to acid rain