« previous next »

Author Question: Understanding human evolution, unlike that of other species, is particularly complex because of: ... (Read 185 times)

stevenposner

  • Hero Member
  • *****
  • Posts: 608
on: Aug 11, 2018
Understanding human evolution, unlike that of other species, is particularly complex because of:
 
  a. the incomplete fossil record
 b. the rapid rate of decomposition among mammals
  c. the presence of culture
 d. the frequent migration associated with our species

Question 2

Scientists have found evidence of the earliest dental drilling to relieve pain as old as:
 
  a. 12,000 years ago.
  b. 9,000 years ago.
  c. 5,000 years ago.
  d. 2,500 years ago.
  e. 1,300 years ago.


ecabral0

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Aug 11, 2018
Answer to Question 1

c

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

stevenposner

  • Hero Member
  • *****
  • Posts: 608
Reply #2 on: Aug 11, 2018
Thank you!


ecabral0

  • Sr. Member
  • ****
  • Posts: 310
Reply #3 on: Aug 11, 2018
Always glad to help...


« previous next »
 

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

These species are all at risk of extinction. These species are all at risk of extinction.
Human skull Human skull
Understanding the laws of exponents Understanding the laws of exponents
evolution tree evolution tree
Major muscles of the human musculoskeletal system Major muscles of the human musculoskeletal system
Main body cavities that hold human organs Main body cavities that hold human organs
Video: Immune responses Animation

For a complete list of videos, visit our video library