Answer:
1: D- attach the muscle to bones and allow for movement
2:A- skeletal
3. A- speaking
Explanation:
Explanation:
It's pressure become three times larger because according to Boyles Law the pressure of fixed mass of gas is inversely proportional to it's volume provided that temp remains constant. That means a reduction in volume, will result in an increase in pressure and vice versa.
Velocity of an object is given as

now we have

time = 3 hours
now from above formula


so its velocity is 40 mph and its a vector quantity whose direction is towards NORTH
correct answer is B