Dirt is classified as an: a) element b) compound c) heterogeneous mixture d) solution

Which is the best description of the scientific theory

In a chemical reaction, there must be the same number of atoms in the product side as there are on the reactants side. True False

Why do you think that it's fairly easy for the sun to fuse hydrogen atoms, but a lot harder to fuse helium atoms?

What is a vector? a. a quantity that has magnitude and direction b. a scalar quantity c. a direction d. a magnitude that can be measured

A body is moving in a perfect circle at a constant speed. are there any forces acting on this body? how do you know?

the math club must order 35 new uniform shirts. There are 5 more girls than twice the number of boys in the club. How many of each uniform type should the club order

Find out the kinetic energy of a body of mass 2kg moving with the speed of 3m/s

When light waves passes straight through an object, it is called?

One microgram contains how many grams?

While John is traveling along a straight interstate highway, he notices that the mile marker reads 241 km. John travels until he reaches the 134 km marker and then retraces his path to the 167 km marker.