Question

please help me i will mark you brainly ​

Answer 1

Answer:

Explanation:

1] Hard materials are materials that cannot be easily crushed, chopped, deformed, or scraped. Iron and glass are two examples. Soft materials are those that can be crushed, sliced, bent, or scraped with ease.

2] No, this change cannot be reversed. Because breaking of a toy is as irreversible change, one cannot regain the same toy.

3] Translucent objects allow some light to travel through them. Materials like frosted glass and some plastics are called translucent. When light strikes translucent materials, only some of the light passes through them

4]  some changes that can can not be reversed are

• burning of paper
• cooking of food
• tearing of paper