Human activities that increase carbon dioxide in the atmosphere are likely to cause which of
The following environmental changes?

A. Decreased plant growth
B. Tsunamis
C. An ice age
D. A higher sea level

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

What is the average speed of a car that traveled 300.0 miles in 5.5 hours

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.