Explain how a pile of ashes has the same mass as the original log before it was burned. What is the law that defines this

Which is most likely a molecule in a wall-filling material? C6H6 Na6Ba6 NeNa HC

A ball with a mass of 275 g is dropped from rest, hits the floor and rebounds upward. If the ball hits the floor with a speed of 3.10 m/s and rebounds with a speed of 1.90 m/s, determine the following.

If two continental plates slide past each other at a transform boundary, then what may occur?

The price at which a nations currency can be bought using another nations currency is known as A. The rate of exchange B. consumer advantage C. globalization D. currency trade

Explain the process of adaptive radiation. Give an example.

What is the mass in kg of a leopard in a tree if the tree branch is 36 m up and the leopard's gravitational potential energy is 29988 J?

Venus's average distance from the sun is 0.72 AU and Saturn's is 9.54 AU. Calculate the orbital velocity of Venus and Saturn around the sun. (The mass of the sun is 1.99 X 10^30 KG. an AU is 1.50 X 10^11 M.

Caleb's parent drove him to a swim meet 208 km away. It took them 2 hours, which included a 15-minute break to refuel. What was their average driving speed?

Why is thermal energy from the Sun transferred to Earth through electromagnetic waves instead of any other type of thermal energy transfer? Electromagnetic waves can carry energy through matter. Electromagnetic waves can travel through empty space.

Why do different elements emit different colors of light