Answer:
oxygen
Explanation:
oxygen is an essential nutrient which the body needs especially during respiration.
it help the blood cells do provide energy.
without oxygen, there is no gaseous exchange
Reduce carbon dioxide emissions, pollution, and deforestation
reuse materials rather than throwing them away and needing to create more
recycle materials like metals, paper, and plastics
replace non-biodegradable materials with biodegradable
I believe it is D, to protect weakened ecosystems and their wildlife
The inner planets (in order of distance from the sun, closest to furthest) are Mercury, Venus, Earth and Mars.
Answer;
Doctors recommend that women avoid most medications and alcohol during pregnancy because these substances may cross the placenta and harm the embryo or fetus.
Explanation;
The doctors recommend that women avoid most medications and alcohol during pregnancy.
Alcohol during pregnancy can cause fetal alcohol syndrome which is a serious condition that can affect a child throughout life.
Some drugs, substances or medications may be harmful during pregnancy, depending on the amount and frequency of use.