The correct option is A.
Puppies normally growl when playing; this type of growling is not aggressive. The growling that are made in such situations indicate the pleasure of the puppies as they are playing together, such growl does not result in biting or any other injuries.
Osmosis is a process, this process involves molecules of a solvent to move through a semipermeable. It is basically purifies something. But no it does not cause things to grow it can help but it does not cause it
Melanin conveys some UV protection
QUESTION ONE
Here are the answers:
1. The purpose of zoo described in question 1 is EDUCATIONAL: it provides knowledge about animals' lives.
2. CONSERVATION: It protects the animals from becoming extinct.
3. RESEARCH: It is a source of animal specimens for research studies.
4.ENTERTAINMENT: people go to zoos to relax and to have fun.
QUESTION 2
The statement is TRUE.
Zoo has a lot to offer in term of educating the public and that includes the topic of biodiversity. Biodiversity refers to the variety of living organisms in the world and the relationships that exist among them. Those animals have the way they relate with other organisms. Thus, the topic of biodiversity can be treated using zoo.
Metal -a solid material that is hard, shiny, malleable, fusible, and ductile, with electrical and thermal conductivity.\
nonmetal an element or substance that is not a metal.