2 and 4 should be correct
Answer:
The increase in population means more food and more water consumption. This results in depletion of freshwater resources from the planet. For example, from the 1990's up till now the global population has increased by 80 million people which demands sixty-four billion cubic meters of water for consumption.
This growth in population will also lead to more water contamination. Studies show that more than 80 per cent of the world's water is contaminated.
Answer:b
Explanation:
have nore thermal energy then the rest
Answer:
Billiard Ball Model
Explanation:
I used process of elimination.
The plum pudding model looks more like chocolate chip ice cream scoop.
As you can probably tell, that is not a solar system model.
It also is not a nuclear model because those look more like the attached file.
The answer is “Overreacts to an antigen”