Which best describes a force?

a vector with magnitude and direction

a vector with speed and strength

a vector with direction only

a vector with strength only

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In this process, a piece of paper with small holes in it separates a heterogeneous mixture by letting through the small particles and keeping out the big ones. That is called as

Whats the definition of gradualism

List three events that would cause beaches to erode

What can be determined from examining the fossil record? A. when many life forms became extinct B. when many life forms first appeared on Earth C. when changes to the diversity of life forms occurred D. all of these

How many moles of calcium atoms do you have if you have 3.00 * 10²¹ atoms of calcium. (The mass of one mole of calcium is 40.08 g.)

What type of material can make up a mudflow? a. trees b. boulders c. soil d. all of the above

What is bedrock layer

The number of neutrons in the nucleus of an atom can be calculated by 1. Adding together the numbers of electrons and protons 2. Subtracting the number of protons from the number of electrons 3.

Chemical or physical properties? titanium is less dense than water

Choose the element that would be the most reactive of the three. A. K c. Na b. Fr