Scientists are studying a layer of sedimentary rock and discover what appears to be ripples made by runding water preserved in the rock. When comparing those ripples to some made in mud at a present day location, they notice that the effects are identical. Based on the observations, which of the following is most likely to be true? OA. OB. The mud at the present day location is actually from the same time period as the rock The environment and conditions of both areas are exactly the same. OC. Some events that occurred in the past are similar or identical to events in the present. OD. Events that occurred in the past were dramatically different from those of today.
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Biology, 21.06.2019 19:00
The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.
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Biology, 22.06.2019 02:50
The response is the basis for vaccination. primary secondary tertiary none of the above
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Biology, 22.06.2019 11:30
Suppose that on a small island off the coast of scotland, 32 percent of the population has blue eyes, which means that these individuals must be homozygous for the blue eye color gene (bb). the only other eye color found on the island is brown, and individuals that are homozygous for the brown eye color gene (bb) or heterozygous (bb) will have brown eyes because brown is the dominant gene. assume this population is in hardy-weinberg equilibrium. if 100 babies are born next year, how many of these would you expect to have brown eyes and be heterozygous? a. 58 b. 49 c. 29 d. 43
Answers: 1
Biology, 22.06.2019 13:00
Describe the impact of deforestation of both abiotic and biotic factors within the tropical rainforest.
Answers: 2
Scientists are studying a layer of sedimentary rock and discover what appears to be ripples made by...
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