1. true or false; gravity is responsible for planet formation. 2. true or false; newton's universal law of gravitation states that two objects always sometimes  a gravitational force on each other. 3. true or false?   gravity is different on different planets.

How do adaptation affect a species?

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

Which of the following would be a body response when stepping outside without a coat on a snowy day? a. senaceous glands. secrete more senum b. more liquid is transported by the body to the skin fir insulation c. blood vessels in the skin narrow and contract d. blood vessels in the skin expand