Active transport requires the cell to spend energy, usually in the form of ATP. Examples include transport of large molecules (non-lipid soluble) and the sodium-potassium pump. Types of active transport.
Eplanation:
i looked it up
<span>Density = mass/volume = 200g/2cm^3 = 100 g/cm^3
Density of water = 1g/cm^3
Specific Gravity is the ratio of the Density of the object to the Density of water so the Specific Gravity is 100
Piece of metal has a </span>Specific Gravity if 100
Food chain- is a diagram that shows how food energy moves from one organism to another in an environment. It begins with the plant life and ends with animal life. Plants get eaten by animals and animals eat other animals.
