Answer:
4. coordinati9on of body movemnents
Explanation:
Answer:
I would say c because, sure the polar bears can swim and other things there will be very little ice once the ecosystem melts.
Explanation:
common sence
Answer:
influenza, aids and smallpox
Explanation:
1. Testing only one variable
A controlled variable means its the one that stays the same. In a controlled experiment, it means there is only one manipulated, (changed) variable.
Energy convention: Convection is the motion of a fluid driven by temperature differences across that fluid. When a fluid is heated, the region in closest contact with the heat source becomes less dense due to increased kinetic energy in the particles. Convection is one of the fundamental ways that heat is transferred
