Answer: Smoking
Explanation: Smoking causes a number of negative health effects, one of which is cardiovascular disease. Smoking increases the formation of platelets in the blood vessels, also reduces blood flow to the heart, and reduces the amount of oxygen.
Healthier and more frequent because if it is strong it may not be healthy
Http://www.climatecentral.org/library/faqs/plants_need_co2_to_live_so_isnt_more_of_it_a_good_thing
Answer:
c : reducing tension
Explanation:
Reducing tension is self care
