Which of the following is an adaptation that helps protect the animal? А
Cows have incisors.
B
Cactuses have thick stems.
с
A porcupine has sharp quills.
D
Hummingbirds have long, skinny beaks.

C ( Porcupines use there’s sharp quills to defend themselves from larger predators!)

If the water vapor content stays the same and the temperature drops, then the relative humidity increases. its vise versa.if the water vapor content stats the same and the temperature rises, the relative humidity decreases. so, yes, i'd say that temperature and humidity have a strong relationship.

Hairy thick gross thing? idk