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.
Answer:
1. lungs
2. skin
3. large intestine
Explanation:
lungs inhale oxygen
skin is on the outside of the body
the large intestine processes your food into feces
The statement about the tundra that is true is that there are two main categories of the tundra biome.
Yes that's right, its True, are structures that have specific functions
