Answer:
Dosage and form in which the chemical is present are the factors that determine the level of harm of chemical on the environment.
Explanation:
Dosage usually mean amount of chemical. Some chemicals cause harm to the environment in a very low amount and some chemicals damage the environment when the amount is too high, these chemicals are not considered as toxic. Form of chemicals also affects its toxicity. Some chemicals are harmful in one state and beneficial in another state.
The left ventricle is responsible for pumping oxygenated blood throughout the entire body, which requires a lot of work and pressure, hence why it is super thick.
Different = Heterozygous ex. Aa
Passive transport DOES NOT need energy(ATP), while active transport does.
