This topic contains a solution. Click here to go to the answer

Author Question: Homo habilis appeared around ________ million years ago. a. 2.1 b. 2.7 c. 2.5 d. ... (Read 49 times)

luminitza

  • Hero Member
  • *****
  • Posts: 555
Homo habilis appeared around ________ million years ago.
 
  a. 2.1
  b. 2.7
  c. 2.5
  d. 2.3

Question 2

The amount of melanin in the skin seems to be related to the ___________where a person lives.
 
  a. weather
  b. climate
  c. rainfall
  d. moon



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Answer to Question 1

d

Answer to Question 2

b




luminitza

  • Member
  • Posts: 555
Reply 2 on: Jul 10, 2018
Excellent


upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

For a complete list of videos, visit our video library