Sarah’s classes studying soils. They are learning about soil texture. Sarah hold a handful of damp soil in her hand. She rubs some of the soil between her fingers. The soil feels very soft a lot like flour it is not sticky and not gritty. Her soil is most likely. A. Gravel, B. Humus, C. Sand, D. Silt
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Biology, 22.06.2019 00:30
On a recent expedition to a remote region of northern canada, scientists uncovered skeletal remains from about 100,000 years ago. surprisingly, all the skeletal remains, which included many species from differing biological families and spanned about two thousand years, showed evidence of experiencing temperatures in excess of 1000 degrees fahrenheit (or 538 degrees celsius). which of the following, if true, best explains the apparent paradox between the cold environment and the evidence of the bones experiencing hot temperatures? (a) chemical changes that naturally occur during the process of decay in only one north canadian species produce the same evidence of the species' skeletons being exposed to hot temperatures as the expedition scientists found. (b) a little over 103,000 years ago, a large fire is known to have occurred in northern canada. (c) strong evidence exists that as early as 70,000 years ago, homo sapiens around the world relied heavily on fire to cook animals. (d) in the same expedition and in roughly the same layer of excavation, scientists found rudimentary wood cutting and hunting tools used by early humans.
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Biology, 22.06.2019 03:30
Which of the following typically characterizes a tropical rainforests
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Biology, 22.06.2019 07:00
What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination
Answers: 1
Sarah’s classes studying soils. They are learning about soil texture. Sarah hold a handful of damp s...
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