Your little brother holds a 2 kg water balloon over the railing of his 15 m high tree house. What is the gravitational potential energy of the water ballon?

A) 2kg x 9.8 m/s^2 x 15m

B) 2kg x 15m

C) 2kg + 9.8 m/s^2 + 15m

D) 2kg x 15m + 9.8 m/s^2

Which is a cause of natural selection? O A. Lack of predators O B. Unlimited shelter O C. Stable weather O D. Limited food

The fossil record provides little evidence for evolutionary change of organisms. a. True b. False

There is an overwhelming amount of evidence supporting evolution by natural selection. This evidence can be divided in several categories: artificial selection, direct observations of evolutionary change, homology and analogy, the fossil record and

What are 7 taxa's of plant classification in order

Which pair shows compounds with the same radical? Ba (NO3) 2 and Al (OH) 3 Al (OH) 3 and NaOH Ba (OH) 2 and Ba (NO3) 2 NaOH and NaCl

6. The blood component that has the greatest affinity for oxygen is the a) Lymphocyte" (b) Leucocytes (c) Erythrocytes (d) Thrombocyte

According to the endosymbiosis theory scientist believe early eukaryotes form from prokaryotes why do scientist believe that prokaryotes existed earlier eukaryotes

Areas of land covered with water for at least part of the year are called

What is the correct sequence for the events of mitosis, meiosis, fertilization, and birth in sexual reproduction?

What must be presented in orders for cloud to form