Author Question: The hunter-gatherer birth spacing interval is primarily the result of: a. high infant mortality ... (Read 25 times)

folubunmi · **on:** Aug 11, 2018

The hunter-gatherer birth spacing interval is primarily the result of:

a. high infant mortality rate
b. nutritional stress
c. contraceptive practices
d. breastfeeding and child-rearing techniques

Question 2

Each human has approximately _____ sweat glands that spread out over a greater surface area on tall, thin bodies, facilitating water evaporation and heat loss.

a. 3 million
b. 500,000
c. 5 million
d. 1 million
e. 2 million