If scraping oneself on a contaminated object may cause an invasion of the body by bacteria, then scraping oneself on a contaminated object may cause an invasion of the body by what? Answer choices: - amoebae - bacteria - blood - dogs - disease - horses - toxins - fish
bacteria

(Question)
If some methods of generating heat release mercury, then what can release mercury into the atmosphere? Answer choices: - smoking tobacco - hydrogen and oxygen - flow of electrons - cigarettes - chemical reaction - an engine - generating heat - one celled organisms
(Answer)
generating heat

Ques: If desertification has a negative impact on the environment, then what has a negative impact on the environment? Answer choices: - deforestation - deserts - cigarettes - desertification - humans disturb it - environments - weather - harmful substances
Ans: desertification

(Q).
If amphibians are the first true animals with backbones with four limbs, then amphibians are the first true what with four limbs? Answer choices: - members of their own species - to move people - warm-blooded - Due to their feet - animals with backbones - remains of prehistoric life - Something to move - Generating heat
(A).
animals with backbones

Ques:If plants rely on a narrow pH range, then what relies on a narrow pH range? Answer choices: - trees - potatoes - a fish - cacti - pine - plants - Oak - bacteria

Ans:plants

Question: If in photosynthesis, plants convert carbon dioxide, water and solar energy into carbohydrates, then in photosynthesis, plants convert solar energy, carbon dioxide, and water into what? Answer choices: - Organic compounds - water - leaves - chlorofluorocarbons - carbohydrates - solar power - peachleaf willow - chemical messengers
Answer:
carbohydrates