The answer would be gas I believe
You are exercising, doing aerobics or a stair climber at your fitness center. as you increase to a high intensity of exercise, you would expect the tidal volume to increase and the frequency of respiration to increase.
Answer:
Everyday Examples of Convection
This hot water rises and cooler water moves down to replace it, causing a circular motion. radiator - A radiator puts warm air out at the top and draws in cooler air at the bottom. ... ice melting - Ice melts because heat moves to the ice from the air.
Explanation:
Plz brainliest
Answer:
The theory of punctuated equilibrium states that evolutionary change is characterised by short periods of rapid evolution followed by longer periods of stasis in which no change occurs. ... To meet this challenge, evolutionary biologists attempt to describe how and why evolutionary changes accumulate over time
Explanation:
