Answer:
The liquid vaporizes and the resulting gas molecules wander about the room.
Explanation:
I just took the quiz on APEX.
Answer:
E. Variations in Earth's orbit occur gradually over 100,000 years.
Answer:
b
Explanation:
its an organism consisting of cells in the form of chromosomes with a distinct nucleus.
Answer: I think weather front is bascially the air density, wind, and humidity.
Explanation:
The answer is operon. These set of genes are transcribed together because they share a single promoter and operator. Therefore they are transcribed into one mRNA and translated together. These genes are, therefore, expressed together at all times. Examples are the tryptophan and lac operons of Escherichia coli