the theory that the sun is the center of the solar system is known as the
a. heliocentric theory*
b. geocentric theory
c. oscillating theory
d. big bang theory

20 pts ‼️ an unmanned spacecraft travels to mars. mars has a lower strength of gravity than earth. where in the image is the spacecraft’s weight the greatest?

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

How are isotopes of the same element alike?