1. How do pollutants enter the deciduous trees and become less harmful? A. Roots filter the damaging pollutants through root hair
B. Stems extract pollutants traveling through the xylem and phloem
C. Stomata absorbs pollutants that are converted to less harmful compounds by enzymes.
D. Cell walls block pollutants from existing the leaf after becoming trapped.

yes it is   dangerous

explanation:

because that foot is discusting and could get you sick

the answer would be   10%

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.