<span>A warm front is the boundary between a warm air mass and a cold air mass it is overtaking. So a cold front would be the opposite.
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I believe the answer to this is substitution <span />
Answer:
D. Planting exotic shade plants in their yard and hiring a lawn company to tend to them.
Explanation:
Both grass and vegetables produce CO2. Vegetables produce as much CO2 as a car that's been driving 4.5 miles. Beef produces enough CO2 for 63 miles. This eliminates all of the answers except for D. Plants use CO2 in photosynthesis and give off O2. So not only will is reduce the CO2 output, it will provide you oxygen.
Answer:
True
Explanation:
Both Mercury and Bromine exist in the liquid state at room temperature.
