Question

a. i. Would you make a lock out of plastic, yes or no ?


ii. If no , then suggest the better material .


iii. Which property of the material should be considered?


b. How is density of an object related to its floating or sinking?​

Answer 1

Explanation:

1. no

2.liquid wood, algae insulation, and polymer substitutes made from fermented plant starch such as corn or potatoes

B. Density is the only thing affecting whether something floats or sinks. If an object has a higher density than the fluid it is in (fluid can mean liquid or gas), it will sink. If it has a lower density, it will float. Density is determined by an object's mass and volume.