Planet X has the same diameter as Earth, but three times the mass of Earth. What would be the ratio of the force of gravity on the surface of Planet X to the force of gravity on the surface of Earth?
A 9:1
B. 6:1
C. 3:1
D. 1:1
E 1:3

Dr. bob hypothesizes that drug x causes cuts to heal more quickly. he performs a medical experiment on a group of 100 people and confirms his original hypothesis. in the control group, a 1 cm cut took seven days to heal. in the experimental group, a 1 cm cut took four days to heal. what should dr. bob do next? a) repeat the experiment for accuracy. b) begin selling drug x to the public. c) write a scientific theory about drug x. d) publish the results of the experiment in a scientific journal.

Read the sentence. “yesterday we arrived late for the outdoor concert in the city gardens.” which words in the sentence are adverbs? a. late; city b. yesterday; outdoor c. yesterday; late d. outdoor; city

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?