Question

3. The process of removing the uneconomical or sick breeds of animals.

4. Plastic used for making photographic films.​

Answer 1

Answer:

3. Culling

4 . Plastic cartridge

Answer 2

Answer:

1.culling is the process of segregating organisms from a group according to desired or undesired characteristics. In animal breeding, it is the process of removing or segregating animals from a breeding stock based on specific trait. This is done to exaggerate desirable characteristics, or to remove undesirable characteristics by altering the genetic diversity of the population. For livestock and wildlife, culling often refers to the act of killing removed animals based on their individual characteristics, such as their sex or species membership.

Explanation: