What is sibling rivaly? Please don't give me an answer from google. I'LL MARK YOU AS BRAINLIEST!!!

Which action best increases one’s stamina a) exercising when you feel like it b) saving so much that one like sleep c) refusing to exercise to save the energy needed to work d)exercising on a regular basis

Cammy is cooking hamburger patties for lunch. after a few minutes on the grill, she checks the internal temperature of the patties and finds them to be at 135°f. what should cammy do next?

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.