1. An apple has a mass of 297 grams. How many kilograms is this? Prefix
kilo-
Symbol
k
Meaning
1,000
hecto-
h
100
d
deci-
centi-
С
milli-
m
1/10
1/100
1/1,000
1/1,000,000
1/1,000,000,000
micro-
nano-
n
O A.0.297 kg
O B. 29.7 kg
O C. 2,970 kg
OD. 297,000 kg

What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus

Why does lightning travel from clouds to the ground?

Cells in the nervous system have a potential difference of 70 mv across the cell membrane separating the interior of the cell from the extracellular fluid. this potential difference is maintained by ion pumps that move charged ions across the membrane. is this an emf? select the correct answer and explanation. 1)no. the ion pumps cannot separate charges; thus, they cannot create a potential difference. 2)yes. the ion pumps cannot separate charges, but they still can create a potential difference. 3)yes. the ion pumps can actively separate charge; thus, they can create a potential difference. 4)no. the ion pumps can separate charges, but they cannot create a potential difference.