relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. Relative humidity changes when temperatures change. Because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say A
Answer:
A.
Explanation:
Dinosaurs and old trees are samples of ancient earth which can be compared to the actual world showing the difference between now and then.
I believe it’s the first option
Supergiant stars can have masses from 10 to 70 times greater than our Sun. When it comes to brightness, some of them can be from 30,000 times or brighter than our Sun. The temperature range of a supergiant spans from around 3,450 K to 20,000 K. The absolute visual magnitudes between -3 and -8.
