Answer:
Dust bowl resulted from extreme drying and loosening of the soil that resulted in soil erosion by wind. Thus, it can be related that poor agricultural practices like over plowing , over grazing and leaving the land barren are human activities that must have contributed to the dust bowl.
Explanation:
- Dust bowl is referred to a period in early twentieth century when the the American and Canadian prairies faced severe dust storms.
- These dust storms resulted from severe drought and failure of practices to prevent soil erosion.
- Several people and livestock died as a result of choking.
- Over plowing, removal of top soil and small grasses exposed the soil to eroding winds and caused the dust storms.
Answer:
B
Explanation:
DNA is made first, which the makes it's counterpart RNA, which makes protein because that's it's job.
Answer:
Scientists with different educational backgrounds can come to different interpretations of the same data.
Choice A is correct
Explanation:
A biologist is a scientist with specialized knowledge in the field of biology while a geologist is a scientist who studies the matter that make up the Earth as well as the processes that shape them.
Both scientists came to different interpretations of the same data since they have different educational backgrounds.
Answer:
In molecular biology, DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. DNA replication occurs in all living organisms acting as the most essential part for biological inheritance.
Explanation:
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Sieve tube member cells are living cells, have companion cells and are typical for gymnosperms.
Tracheids have secondary cells walls and are functioning like dead tubes that enable the flow of water through the plant. Tracheid occurs in vascular plants, both angiosperms, and gymnosperms.
