8 km per hour. At that rate, he will walk 8000m in 1.0 hours. 1km = 1000m, 8000/1000 = 8. Would appreciate brainliest!
That's true cause it is not good for the ocean animals..
Answer:
Greenhouse effect is a natural process that warms up earth's atmosphere. Sun radiations when hit the ground are absorbed and some reflected back to the atmosphere and absorb by the greenhouse gases. ... But due to excessive human activities, greenhouse effect is high and making the earth hotter
Explanation:
Answer:
i have no idea what that is lol sorry
Explanation:
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<span>(1)External (pulmonary)
respiration- Exchange of gases between the alveoli of the lungs and the blood
in pulmonary capillaries across the respiratory membrane. <span>(2) Pulmonary
Ventilation- inhalation and exhalation of air and happen the exchange of air between
the atmosphere and the alveoli of the lungs (3) Internal (tissue) respiration-.capillaries
and tissue cells. </span></span>