C ( Porcupines use there’s sharp quills to defend themselves from larger predators!)
Answer:
It is also called a finite resource
Explanation:
D snails, guppies and plants. The community should be diverse and have lots of biodiversity.
What is the mole ratio of  to Fe? if oxygen it is 4:3 Fe3O4
Answer:
An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. ... The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons.
