Humans are responsible for some of the negative changes that occur in nature because a. have controlled the use of many pesticides and other harmful chemicals b. are able to modify their physical environment to provide for human needs?

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 !

Explain in your own words what caused pangea to separate and why we don't worry about earthquakes in florida.

Which process the first step in making a protein from dna intrsuction