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Which evidence suggests that several mass extinctions have occurred during Earth's history? Fossils provide information about water level and temperature. Many fossils demonstrate that organisms have changed
asked
Mar 26, 2020
Biology
middle-school
2
answers
5
votes
138k
views
A certain food has a gluten ratio of 13\,\text{mg}13mg13, space, m, g of gluten per \text{L}LL of the food. What is the gluten ratio in micrograms per milliliter \left(\dfrac{\mu\text{g}}{\text{mL}}\right)(
asked
Dec 13, 2019
Mathematics
high-school
2
answers
4
votes
19.4k
views
What percent of all African Americans in the United States in 1860 lived in the North?
asked
Dec 12, 2019
History
middle-school
2
answers
2
votes
224k
views
Choose all the answers that apply. Volcanic eruptions can cause _____. 1.earthquakes 2.mudslides 3.lava flows 4.long-term loss of soil fertility
asked
May 19, 2019
Social Studies
middle-school
2
answers
1
vote
129k
views
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