According to the Big Bang theory, after the "Bang", the universe remained dark until about ___ later, when neutral atoms began form.

*three minutes

*one billion years

*300,000 years

*three billion years

What life process requires specialized cells in multicellular organisms

What tide occurs when when the sun, earth, and the moon are nearly in a line

Which equation shows the relationship between the Kelvin and Celsius temperature scales?

The other name for newton's second and third law of motion is?

A person drives to the top of a mountain. On the way up, the person's ears fail to pop, or equalize the pressure of the inner ear with the outside atmosphere. The pressure of the atmosphere drops from 1.

We all know that in the earth gravity is there, but why clouds doesn't fall down?

An unknown mass of each of the following substances, initially at 23.0, absorbs 1910 of heat. The final temperature is recorded as indicated. Find the mass of the substance, given: Pyrex glass (55.5)

Which is the relationship between algae and fungus? Options: Parasitism. Commensalism. Mutualism.

A skier with a potential energy of 137,200 J waits on top of a ski jump that is 200 m high. What is the mass of the skier?

A closed loop conductor that forms a circle with a radius of is located in a uniform but changing magnetic field.