QUESTION 4 Select the sets of numbers that are precise.
O 12.1, 35.3, 22.7, 9.4
O 8.01, 7.98, 8.03, 7.97
1.25 x 105.1.23 x 105, 1.20 x 105, 1.26 x105
6.20 x 10-2, 6.21 x 10-3, 6.21 x 10-1,6.20 x 10-4
O 50, 51, 49, 50
QUESTION 5
What is the term for the chemical and physical components of an ecosystem that are
Biotic factors