Answer:
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1 mile.
Since he walks at a speed of 2 miles per hour, he will have only walked 1 mile after walking for half of an hour.
Answer:
pollution can effect the birds in the sky, and many flying animals, causing a decrease in the specie. It also effects ocean animals form plastic pollution. Biodiversity is important because animals perform different jobs in the ecosystems, and pollution decreases this and causes the species in the world to lessen. Fungi have decreased, and the decomposure of organic minerals to thr ground (to help plants) has also fallen.
Explanation:
GIVE ME BRANLIEST PLEASE
Cardiac muscle is found in only the heart because the heart is also called cardiac and said to have cardiac muscle.the answer is b. hope this helps :)
