When matter changes from one state to another, what do we call this process?

A.

a physical change

B.

a nuclear change

C.

an explosion

D.

chemical bonding

This cardiovascular event may occur when a blood vessel in the brain bursts or becomes blocked by something, such as a traveling blood clot. A. stroke B. heart attack C. hypertension D. atherosclerosis

A magnet of mass 0.20 kg is dropped from rest and falls vertically through a 35.0 cm copper tube. Eddy currents are induced, causing the copper to warm up. The speed of the magnet as it emerges from the tube is 1.10 m/s.

If you find two stars with the same Right Ascension, are they necessarily close together in the sky? Why or why not?

Which of the following is not a result or consequence of rising average air temperatures on Earth? Glaciers and ice sheets melt. Sea levels rise. Evaporation increases. Salinity increases.

Which is a characteristic of projectile motion?

Object A with a mass of 500 kilograms hits stationary object B with a mass of 920 kilograms. If the collision is elastic, what happens after the collision? A) Both object A and object B move forward but with different velocities.

A young man walks daily through a gridded city section to visit his girlfriend, who lives m blocks East and nblocks North of where the young man resides.

Aliens from planet Moby have three alleles for skin color: R (red) W (white) and B (Blue). If all of these alleles are codominant and aliens on planet moby can only inherit two alleles for a gene, what are the six possible genotypes for skin color

The difference between two numbers is 15. When twice the smaller number is subtracted from three times the larger number, the difference is 58. What is the larger number?

Vector A makes equal angles with x, y and z axis. value of its components (in terms of magnitude of vector A will be?