Answer:
A class system is a more smooth system, caste is more of a system that changes consistently.
Explanation:
"Class system is typically more fluid than the caste system or the other types of stratification and the boundaries between classes are never clear-cut. Caste system is static whereas the class system is dynamic. ... In the caste system, individual mobility from one caste to another is impossible."
Answer: Answer is c 8 500
Explanation: Find the growth, in this case it would be 4-12. So you want to find the difference between them by subtracting the two values. 12-4=8
Air resistance because to act on an object, it must touch it
<h2>Answer:</h2>
False
<h2>Explanation:</h2>
Water is perhaps the most important component of any ecosystem. All living organisms need water to grow and survive. The organisms involved in this cycle are plants, animals, bacteria and decomposers. All of them use water for their own processes and functions. The processes involved are evaporation, condensation, sublimation, precipitation, transpiration, runoff, and infiltration. Since plants and animals both need water in very greater amount therefore we cannot neglect their importance in water cycle.
The answer is A, a cell wall
