Biology, 23.07.2019 03:00 webbskyler
Arrange the events involved in nuclear fusion in the correct order. 1. the colliding nuclei fuse to form larger helium atoms having two protons and two neutrons. 2. bare nuclei collide with each other due to massive amounts of heat. 3. the pressure of hydrogen gas increases, and the gas reaches extreme temperatures. 4. hydrogen atoms shed their electrons.
Answers: 2
Biology, 22.06.2019 10:00
In one or two well-crafted paragraphs in your laboratory journal, summarize the process in which normal cells become cancer cells. your paragraph(s) must include each of the terms listed below. underline each term in your writing:
Answers: 2
Biology, 22.06.2019 15:00
Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.
Answers: 1
Biology, 22.06.2019 17:00
Your sense of touch depends upon: a. direct contact b. heat chemical c. reactions d. pain
Answers: 2
Biology, 22.06.2019 18:30
12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.
Answers: 1
Arrange the events involved in nuclear fusion in the correct order. 1. the colliding nuclei fuse to...
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