A black hole can be considered a star that has ...

formed new stars

collapsed into itself

changed into a brighter star

disintegrated into stellar dust

Where would you expect to find the center of gravity in a plastic ruler

Three types of waves we encountered today.

Within a DNA molecule, which two nitrogen bases are correctly paired with one another? A. cytosine (C) and uracil (U) B. adenine (A) and thymine (T) C. adenine (A) and guanine (G) D. cytosine (C) and thymine (T)

Sam is traveling at 25 m/s for a total of 50 seconds how far does Sam Travel?

How many neutrons are in an arsenic atom? I belive there are 42, but better safe than sorry!

1: Explain how you can use Boyle's Law to determine the new volume of gas when its pressure is increased from 270 kPa to 540 kPa? The original volume of gas was 1 L. Assume the temperature and number of particles are constant.

How to use allele In a sentence

If a skater who is spinning pulls her arms in so as to reduce her rotational inertia by half, by how much will her angular momentum change? by how much will her rate of spin change?

What an object is made up of and the color of light that strikes it determine the A) apparent color of object B) transparency of the object C) opacity of the object D) translucence of the object

This chart shows characteristics of three different types of waves.