Answer:
The example for population density is "two jaguars per thousand hectares"
Explanation:
To known the population size per unit area we use population density. Or sometimes use it for volume. It is expressed in quantity or in the type. Mostly used for the living organisms, specifically humans. It's unit is expressed in square kilometers or may say in square mile. It is used for country, city, town and another territory. The negative relationship is found to affect the population density. It depends on the reproduction and survival.
The correct answer is option A, that is, placer deposits.
The concentration of heavy deposits known as the placer deposits are produced by the gravitational action, generally found in streams. The minerals that take place as placer deposits comprise copper, gold, magnetite, cassiterite, and copper.
The formation of placer deposits takes place when the metal-bearing rock on land is weathered and the generated debris is washed down to the sea by the rivers. Further by the action of waves, currents, and rides the particles of heavy metal gets amassed to produce mineral sand deposits. These generally occur as beach deposits.
Answer:
Cytoskeleton
Explanation:
It provide mechanical support that enables cells to carry out function like division and movement
The nervous system is responsible for voluntary/involuntary movement. The glands of the endocrine system produce hormones that are responsible for growth, metabolism, sexual function, etc.
Genetic information.The main job of DNA is to carry the code for making protein.A gene is a stretch of DNA that can be read by proteins called ribosomes, and copied I to type of nucleic acid called massenger RNA.
