Which of the following is a common environmental problem caused by mining? a. introduction of invasive species b. contamination of water supplies c. destabilization of earth's mantle d. formation of holes in the ozone layer

92 sathe best for the question 11. most animals and plants reproduce sexually. this means that dna is passed down to new organisms from two parental organisms. which of the following is a key advantage of sexual reproduction?

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community

How can you tell the difference between rough er from smooth er?