Author Question: The density of an average person is about 1) 480 kg/m3 (30 lb/ft3). 2) 960 kg/m3 (60 lb/ft3). ... (Read 13 times)

audragclark · **on:** Jul 29, 2018

The density of an average person is about

1) 480 kg/m3 (30 lb/ft3).
2) 960 kg/m3 (60 lb/ft3).
3) 1920 kg/m3 (120 lb/ft3).
4) 2400 kg/m3 (150 lb/ft3).

From this we can see that the volume of a 120-lb person is about
5) 1 ft3.
6) 2 ft3.
7) 3 ft3.
8) 4 ft3.
9) not enough information to estimate.

Question 2

Which eats more for its size (volume)?

1) a man
2) a mouse
3) an elephant
4) each eats approximately an amount of food in proportion to its size.

This is because
5) the smaller the animal is, the more radiating area it has proportional to its volume.
6) the larger the animal is, the more radiating area it has proportional to its volume.
7) neither of these has any bearing on the dietary behavior of living creatures.