If oxygen is just one substance transported by hemoglobin, then what is just one substance transported by hemoglobin? Answer choices: - gas - glucose - proteins - carbon - oxygen - an anion - hair - Energy
oxygen

(Question)
If having food has a positive impact on a plant's health, then having food has a positive impact on what health? Answer choices: - humans - animals - density - gravity - plants - cats - growth - clouds
(Answer)
plants

Ques: If toads have permeable skin that easily absorbs substances from the environment, then what has permeable skin that easily absorbs substances from the environment? Answer choices: - cats - a fish - toads - ferns - dogs - humans - animals - bats
Ans: toads

(Q).
If nicotine causes a vomiting reflex to remove toxic material from the body, then what reflex does nicotine cause because of its toxicity? Answer choices: - contracting - movement - motion - Vomiting - symptoms - Heart rate - sweating - kill
(A).
Vomiting

Ques:If pollination is an intricate series of events leads to plant propagation, then what does the intricate event of pollination help plants do? Answer choices: - survival - gene flow - propagate - reproduce - spread seeds - root death - water storage - growth

Ans:propagate

If agreenhouse is used to protect producers by keeping them warm, then what is used to protect producers and keep them warm? Answer choices: - an electric stove - sweaters - green houses - dirt - animal fur - In the winter - evaporation - plant fans
green houses