What two body systems are MOST useful when your lungs supply oxygen carried by blood to the cells of the body? (HINT- -select more than 1)
A respiratory
3 circulatory
C
nervous
D digestive
E excretory (urinary)

The reflection of the candle in the concave mirror formed an upside-down virtual image that is smaller than the candle.in other words. the answer is the third option, c

Ithink it’s cancer risk

The purpose of a lab is to do your "expirements" the importance of the topic is so you can now what the story is about and the last one is because no one is me with my question ( what is 3 over 4 x - 9 = 27 maybe you can )

Answer(b) 60 miles per hour;