Your answer is B. The human eye can only detect color and Tv waves
Answer: Physical changes in nature could then be erosion in a mountain, the melting of snow, and a river freezing over from the cold. Since none of these changes affect the chemical composition of the mountain, the snow, or the river, they are physical changes.
Explanation:
Taha xain malai ..........hhdd
Answer:
Gravity, Weak, Electromagnetic and Strong.
True. No matter can be created nor destroyed in pretty much every aspect of life, especially chemical reactions.
