An atom or group of atoms that has a positive or negative charge is called

A lava flow is an example of what igneous rock

An object's resistance to change in motion is dependent solely on what quantity

What is the cause of farsightedness?

What is a characteristic of a solid? A. It is a substance which will always hold its shape. B. It is a substance which is unable to hold its shape. C. It is always a homogenous mixture. D. It is always a heterogeneous mixture.

The source of the sun's heat is A. nuclear disintegration. B. nuclear separation. C. nuclear fission. D. nuclear fusion.

Why is electronic balance more accurate?

A force of 825 N is needed to push a car across a parking lot. Two students push a car 35 m. How much total work is done?

Which threats are characterized by possibly long periods of preparation (years is not uncommon), tremendous financial backing, a large and organized group of attackers, and attempts to subvert insiders or to plant individuals inside a potential

Which of the following is derived unit? A: g (grams, mass) B: m (meters, length) C: s (seconds, time) D: m2 (square meters, area)

A student measured the mass of a rock to be 19.8 grams; the actual mass was 18.6 grams. What was the student's percent deviation?