1. Five human activities are listed below. 1. Raising cattle
2. Driving a gasoline powered car
3. Using a natural gas fireplace
4. Walking
5. Swimming in a lake
Which of the above activities could contribute to the greenhouse effect?
A) 1 and 2 only
B) 1, 2 and 3
C) 2 and 3 only
D) 4 and 5 only

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

she will be charged $6

step-by-step explanation:

48 dollars divided by 200 beads equals .24 dollars a bead

.24 multiplied by 25 more beads equals 6 dollars as the total cost

protistas excret ethanol used in the manufacture of vinegar