Answer:
D. A nucleus
Carbon contains four electrons in its outer shell. Therefore, it can form four covalent bonds with other atoms or molecules. The simplest organic carbon molecule is methane (CH4), in which four hydrogen atoms bind to a carbon atom
The energy that can be renewed again and again is known as renewable source of energy. Example : water, sunlight, wind et cetera.
The energy cannot be created again,once destroyed is known as non renewable source of energy.
The energy obtained from coal is non-renewable.
Energy obtained from burning plant waste is renewable
Energy obtained from water spring inside the earth is renewable.
Energy obtained from natural gas is non renewable.
Answer:
Convection
Explanation:
Because heat is transferred through the solid sand
It think it’s c acids remove nutrients
A person shall consume at least 750
mg of sodium ion daily to remain in electrolyte balance if he/she loses 750 mg/day
of sodium in urine, sweat and feces. Electrolyte is a substance that
can carry electrical current across cell membranes.
