Earth and Venus are often called sister planets; in which ways ...

[charchew]

Earth and Venus are often called sister planets; in which ways are they most alike?
 
  A) atmospheric composition and density
  B) size, density, and surface gravity
  C) surface temperature and pressure
  D) cloud composition and meteorology
  E) polar caps and rusty red deserts

Question 2

The total energy radiated by a blackbody depends on:
 
  A) the fourth power of its temperature.
  B) the square of its temperature.
  C) the square root of its temperature.
  D) the cube root of its temperature.
  E) the cube of its temperature.

[catron30]

Answer to Question 1

B

Answer to Question 2

A

[charchew]

Thanks for the timely response, appreciate it

[amcvicar]

Wow, this really help