The answer to this question is 2
Ever cell has a gene code that's exactly the cell but some don't use that dba strand because specific parts need specific DNA
Answer:
d
Explanation:
passive transport needs no energy W when transporting from high to low and need energy when transporting from low to high
Answer:
increasing soil erosion.
Explanation:
Mining for mineral resources is an intensive task that involves disturbing and disrupting the lands where the minerals are found. The process of mineral exploration and eventual mining cause great disturbances to the affected land and one of the damages done to such land is great increase in soil erosion.
The appearance of fossils would the the answer.
Although there has been some scientific debate about what fossil strata should mark the beginning of this period, the "International Geological Congress" determined that the Cambrian period was approximately 543 million years ago of which the first appearance in the fossil record of worms that made horizontal burrows was discovered.