According to domestic violence research by Straus (2011), a. ...

[nelaaney]

According to domestic violence research by Straus (2011),
 
  a. wives attack their husbands as often as husbands attack their wives.
  b. husbands attack their wives twice as often as wives attack their husbands.
  c. domestic violence is mainly limited to couples who are not married.
  d. the secret to curbing violence is to focus on men.

Question 2

One-half of all of the Earth's plant and animal species live in
 
  a. endangered cities.
  b. the Arctic.
  c. China.
  d. rain forests.

[momolu]

Answer to Question 1

a. wives attack their husbands as often as husbands attack their wives.

Answer to Question 2

d. rain forests.