1.) Approximately how many sunspots occurred in 1870?

Astudent conducts an experiment to see how music affects plant growth. the student obtains four identical plants. each one is potted in the same type of soil and receives the same amount of sunlight and water each day. plant a listens to classical music for three hours each day. plant b listens to rock music for three hours each day. plant c listens to country music for three hours each day. plant d does not listen to any music at all. 2. based on the experiment in the scenario, which visual aid would be most in showing the change in the plants' heights over time? a. a pie chart b. a line graph c. a timeline d. a bar graph

Read the article titled "greening the globe." according to the section titled “the contention,” the debate over climate change has two basic camps of thought. identify these two camps and their beliefs. give examples of who supports each one and explain what evidence they use to support their arguments. based on these arguments, which way of thinking do you agree with and why?

Which of these is a drawback of using natural gas? a. it is fairly safe for use in homes. b. it burns more cleanly than crude oil products. c. scientists have developed new ways of extracting it. d. during its extraction, groundwater can be contaminated.