What is the unit for magnitudes in astronomy?

What are the functions of the female reproductive system?

Why do some scientists believe the exosphere should not be considered a part of the atmosphere? A. It has virtually no gases from the earth in it. B. The atmosphere already has numerous layers. C.

If a cart of 4 kg mass has a force of 8 newtons exerted on it, what is its acceleration?

A force of 60 N is used to stretch two springs that are initially the same length. Spring A has a spring constant of 4 N/m, and spring B has a spring constant of 5 N/m. How do the lengths of the springs compare?

you are exercising on a hot day. Your body temperature goes upyou begin to sweat. this what cause your body to rise in your body temperature that signals to start sweating is an example of

When blue light of wavelength 450 nm falls on a single slit, the first dark bands on either side of center are separated by 45.0

An object is moving east, and its velocity changes from 65 m/s to 25 m/s in 10 seconds. Which describes the acceleration? 4 m/s2 in negative acceleration 4 m/s2 in positive acceleration 9 m/s2 in positive acceleration 9 m/s2 in negative acceleration

Two students walk in the same direction along a straight path at a constant speed-one at 0.90 m/s and the other at 1.90 m/s. •How far would the students have to walk so that the faster student arrives 5.50 min before the slower student? A.) 460s B.

During the process of accretion, each planet-in-the-making, or proto-planet, grew in size and mass. The amount of gravity for the proto-planets is best represented by which graph?

Theories and Laws. • How are they alike? • How are they different? • Can you explain why scientific theories will change over time? • Give an example of a scientific theory that has changed.