Answer:
d. Smoking
Explanation:
Nicotine is a chemical found in many plants such as tobacco. It is one of the 4000 chemicals that tobacco presents and the main component that acts in the brain.
This chemical is absorbed through the skin and lining of the mucosa of the nose and mouth, or in the lungs by prior inhalation. Nicotine can quickly reach the bloodstream and brain and reach maximum levels. The action of smoking cigarettes causes nicotine to reach the brain in just 10 seconds after inhalation. Although the acute effects dissipate in a few minutes, they cause the need to continue the intake of the substance (addiction)
Heme iron and non-heme iron are the two types of iron. Heme iron comes from animal proteins (meat, fish, seafood), while non-heme iron form rice, wheat,..food that is plant-based.
Heme iron is easier absorbed by the body than the non-heme iron and it the best source of iron<span> for people who are </span>iron<span> deficient. So, the given statement is true. It is true, that heme iron is better absorbed than non-heme iron.</span>
Explanation:
When water turns to ice, it expands/contracts
The (molecules) in water is more tightly packed than in ice, so water has greater density than ice. Don't let the fact that ice is a solid fool you!
