Compared to middle-aged adults, young adults tend to participate ...

[pragya sharda]

Compared to middle-aged adults, young adults tend to participate in a
 
  a. smaller range of activities and prefer those activities with a lower level of intensity.
  b. smaller range of activities and prefer those activities with a higher level of intensity.
  c. larger range of activities and prefer those activities with a lower level of intensity.
  d. larger range of activities and prefer those activities with a higher level of intensity.

Question 2

The ____ is the structure through which a mother and an embryo exchange waste and nutrients.
 
  a. amnion
 b. stem cell
 c. germ disc
  d. placenta

[ky860224]

Answer to Question 1

d

Answer to Question 2

d

[pragya sharda]

Thanks for the timely response, appreciate it

[Jsherida]

YES! Correct, THANKS for helping me on my review