Answer:
survival advantage, against malaria fatality
Explanation:
Answer:
Drug reactions are occured when cells in ur nody react to the shbstance which causes a allergby reaction
Using blue colored plates . I think ...
Secondhand smoke contains more than 7,000 chemicals. Hundreds are toxic and about 70 can cause cancer. ... Secondhand smoke causes numerous health problems in infants and children, including more frequent and severe asthma attacks, respiratory infections, ear infections, and sudden infant death syndrome (SIDS).