Biology, 29.11.2019 04:31 Amholloway13
If intelligent extraterrestrials visited earth 475 million years ago, and then again 300 million years ago (at the close of the carboniferous period), what trends would they have noticed in earth's terrestrial vegetation over this period?
Answers: 3
Biology, 22.06.2019 01:00
Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation
Answers: 1
Biology, 22.06.2019 02:00
Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.
Answers: 3
Biology, 22.06.2019 03:30
Recombinant dna (rdna) creates offspring which are genetically identical to the parent is the process of breeding only organisms with desirable traits involves the removal of the nucleus of a cell combines genes from organisms of different species in a lab
Answers: 1
Biology, 22.06.2019 05:20
The large increase in atmospheric carbon dioxide in the last 50 years most likely comes from a. an increase in cellular respiration b. increased decomposition by bacteria c. an increase in the burning of fossil fuels d. an increase in photosynthesis
Answers: 3
If intelligent extraterrestrials visited earth 475 million years ago, and then again 300 million yea...
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