The right option is A. hydrofluorocarbons
Hydrofluorocarbons are pollutants that are likely to be produced from air conditioning.
Hydrofluorocarbons (HFCs) are synthetic fluorinated strong greenhouse gases that are strongly accumulating in the atmosphere. Hydrofluorocarbons are mainly used as refrigerants. Hydrofluorocarbons are used to replace ozone depleting substances such as chlorofluorocarbons and hydrochlorofluorocarbons which are being phased out in air conditioning, refrigeration, foam blowing agents, and solvents. Hydrofluorocarbons are responsible for about 20% of climate pollution by 2050
Answer:
population size, population density, when scientists population spacing and age structure
Explanation:
because because four characteristics is defined a population and i kind of just know.
Answer:
A. Mostly unstaurated fatty acids
Explanation:
Fats can be both mostly saturated and unsaturated, though oils typically fall under the description of mostly unsaturated.
Answer:
That they lack true leaves and roots I hope this helps you! :D
Answer:
cells have different shapes because they do different things
Explanation:
Each cell type has it's own role to play in helping our bodies work properly and their shapes help them to carry out these roles effectively