Biology, 04.12.2020 02:40 ayoismeisalex
Walter and Luis Alvarez hypothesized that an asteroid impact caused the formation of a 66- million-year-old layer of clay containing high levels of iridium. How did geologists test this hypothesis? What evidence did they look for? PlZ I NEED THIS LIKE RIGHT NO WI MARK BRAINLIES
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Biology, 21.06.2019 15:00
Dna is the genetic material that makes up living things, and folic acid plays an important role in the information of dna. jon wants to study the effect of folic acid on dna formation in microbes. which statement accurately describes the variables in this study
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Biology, 21.06.2019 20:30
According to the big bang theory, after the "bang," the universe remained dark until about 300,000 yearsone billion yearsthree minutesthree billion years later, when neutral atoms began to form.
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Biology, 21.06.2019 23:00
Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.
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Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .
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Walter and Luis Alvarez hypothesized that an asteroid impact caused the formation of a 66- million-y...
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