Which of the following was a discovery of Edwin Hubble?

a. the existence of other galaxies

b dark matter is causing the universe to contract

c. the universe is over 40 billion years old

d. the Big Bang theory.

e. electron degeneracy of stars

Suppose real GDP in Puerto Rico is $48 billion and its annual growth rate is 8%. Real GDP for Puerto Rico will double in A) 6yrs B) 7.5 yrs C) 8 yrs D) 8.75 yrs E) an indeterminate amount of time with info provided

CH 6 Tak 10. Base your answer to the following question on Rats that are placed in a maze and left to explore without any reward will be able to navigate the maze as well as rats that learned how to navigate the maze by being reinforced with food.

Investors take risk so that their money

If someone believes that it is never ethical to eat meat, then they believe that right and wrong is defined by

Given the following formula: Population change = (Births + Immigration) - (Deaths + emigration) What are two ways that the rate of the global population change can be reduced?

Amber is writing to an accountant that she would like to interview to gain information about the career field. What information should she include in her letter?

How do you survive high school

Can we know if we have a soul? What about other people or animals?

Many things happen when rain falls down. Explain what happens to rain as it falls on the surface of: concrete, water, and a slanted/sloped roof. Now, thing about an extra long rainy season.

A slow directional shift of the earth' axis that required 260.000! years to complete called