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Question 6 D
Hydraulic fracturing, or fracking, is the pumping of highly pressurized water with a mixture of sand and chericals into boreholes to
A create cracks within the rock in order to provide pathways for the release of gas and oil
B) pulverize the rock in order to let gas and oil rise through the soil horizons
creopen old mine shafts, from which gas and oil can be collected
D
create seismic movement and artificial earthquakes in order to liberate gas and oil
E
supersaturate the rock with the fracking fluid, which scrubs gas and oil from the rock by abrasion

What is hydroelectric power produced by?

~~16. while watching a special on animals, brianna discovers that hares tend to lose heat through their ears. based on this and what is known about surface-to-volume ratios, propose an explanation as to why hares that live in hot climates (such as the desert) have large, extended ears

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 !