Answer:
westerlies because in goggle it is given western part of troposphere
Electrons are being transferred to the rod therefore giving a negative charge
A dam is a structure built across a stream or river to hold water back. Dams can be used to store water, control flooding, and generate electricity.
Bacteria multiply. I think... bacteria dont have double helix dna. They have what is called a plasmid. If I remember correctly, its most often bacteria that have plasmids for dna and so they duplicate by binary fission instead of the way we do.