Which of the following is an advantage of the si system? (select all that apply.)
a. it allows scientists to compare experimental results.
b. it is based on inches and pounds.
c. it is easy to change from one unit to another.
d. all its units are based on the number 10.

Which of the following is a common danger of commercial fishing?

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above