1) A wagon with a weight of 136 N is moved 19 m from its original location. How much work was

done?

What is the most reactive metal

Which term is defined by the amount of a certain isotope that occurs in a natural sample of an element? a) percent abundance b) percent atomic weight c) average atomic mass d) ion abundance

Which is the best description of a scientific theory? a. a statement about how two different variables are related b. a collection of laws that are explained the same way c. an explanation of many observations and tested hypotheses d.

How many molecules of CO2 would be created if 2 molecules of O2 reacted with 2 atoms of C (C + O2 → CO2) 4 1 3 2

A depression that receives more water then is we will exist as a stream for a long period of time

Which of the following is not true about the importance of the carbon cycle to living things? a. Plants use carbon dioxide to make energy. b. Carbon is the second most abundant molecule in organisms. c.

Fruit flies can either have a brown body or a black body. The allele for a brown body (B) is dominant to the allele for a black body (b). A brown fruit fly was crossed with a black fruit fly as shown below.

A light-year measures the distance a light beam can travel in one year. One light-year is equal to 9 500 000 000 000 kilometers.

The first ionization energy, e, of a potassium atom is 0.696 aj. what is the wavelength of light, in nm, that is just sufficient to ionize a potassium atom? values for constants can be found here.

A gene is a to a chromosome as (A) a pea is to a pod (B) a front to a back (C) a bike is to a car (D) a building is to a window