Answer:
A chemical reaction is the process in which atoms present in the starting substances rearrange to give new chemical combinations present in the substances formed by the reaction. These starting substances of a chemical reaction are called the reactants, and the new substances that result are called the products.
Explanation:
Primary consumers only eat primary producers such as herbivores and secondary consumers are carnivores and omnivores
The tilt of the Earth is what causes the seasons...In the summer, the northern pole is pointed closer to the Sun giving the northern hemisphere more daylight hours. The opposite is true during the winter.
Answer:
D. rigidity and shape that's why in plants they stand upright for photosynthetic process.