Which of these are examples of newton's 1st law of motion. check all that apply.
a. a book sitting on a desk.
b. a soccer ball coming to a stop after it has been kicked.
c. a motorcycle accelerating as it goes down the street.
da train going 55mph down a straight track.
ea car turning the right at a crossroads.

a. A book sitting on a desk.

Explanation:

an object will stay at rest until an external force is provided

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

for 8 am not sure maybe yes?

for 9 if it is asking if the male is more or less it would be less

hope i even just a little : )