Answer:
Explanation: minutes 60
Temperature (°C) D) 32 °C
Survival of the fittest is talking about when you have traits that will help you, you are more likely to live rather than not having those traits. For example, a bird that swims a lot has webbed feet so it has a better chance of surviving then a bird who does not have webbed feet
I think it is D. You experience increase in breathing rate to obtain more oxygen which is delivered to cells through the bloodstream
Answer:
B. Abacus
Explanation:
An abacus is a tool used for math.