A. Warm air rises
Explanation:
Warm air is less dense than cold air so it rises
In plant cell sieve tubes has no nucleus when fully developed it helps in transportation of minerals and in animal cell the red blood cells has no nucleus when fully developed
Answer:
Because the water cycle would be different, since it would take longer for water to heat up and rise into the clouds, possibly making it take longer to rain, and cause droughts worldwide, which could cause the extinctions of many species. A good part of it would be that the ice caps, Antarctica and Arctica, would melt slower.
Explanation:
