Which of the following is not a source of heat within the earth a. left over from the formation of Earth
b. the mass of Earth increased pressure which increased temperature
c. dense material sinking to the center
d. elements such as uranium decaying
e. radiation from the sun

What are segments of dna that code for a particular trait. a combination of dna and proteins make up what

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.

Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg