I am pretty sure that your answer is C or D. Im not sure between the two which. Sorry.
<span>Ecological balance can be defined as the equilibrium or stability of species
(animals and plants) to natural conditions or environment. A decrease in the
variety or diversity of, environment or those natural conditions which may
result in an imbalance or instability of the ecological balance means a
reduction in biodiversity.</span>
Population growth is difficult to predict because unforeseen events can alter birth rates, death rates, migration, or the resource limits on population growth
Such policies could have a significant effect on global fertility rates.
have a goed day
Visible light is a form of electromagnetic radiation as in radio waves, infrared radiation, ultraviolet radiation, X-rays and microwaves. Generally, visible light is defined as the wavelengths that are visible to most human eyes.
EXAMPLES:
For example, the sun produces visible light.
Incandescent light bulbs, fluorescent, and neon lights are other examples of visible light that we may see on a regular basis.
Visible light is probably the most important of all electromagnetic waves for most of us.
Answer:
One gram of liquid water changed into water vapor at its boiling point, energy is required called the heat of vaporization. Water has a heat of vaporization of 40.65 kJ/mol. Hydrogen bonding is present between water molecules so to break this hydrogen bond, heat energy is required.
Explanation: