A 100 meter dash was held with 20 contestants. The best time was 10.7 seconds, and the worst time was 15.3 seconds. Only the fastest 10 contestants advance to the final race.

Which measure of central tendency should be used to calculate the cutoff time for the final race?

A.

mode

B.

range

C.

mean

D.

median

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

answer; a male inherits only one allele of the x-linked gene controlling hair color;

archaebacteria are found in in forest soil.

hope i spelled it right lol

hope i

-lavira: )

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint