You are presented with the question "What protects things from freezing in cold weather?" and the following answer choices: - exoskeleton - thermal insulators - thick filling - a hydraulic system - Animal fur - layers of skin - layers of fat - deep water Now knowing that athermal insulator slows the transfer of heat and heat transfer fluids, such as antifreeze, protect the solar collector from freezing in cold weather, choose the best answer.
thermal insulators
(Question)
You are presented with the question "What do the average number of individuals per unit of area or volume affect?" and the following answer choices: - that material's properties - our landscape - balance of the environment - death and devastation - important habitats - swamp vegetation - the environment - Animal survival Now knowing that population density is the average number of individuals per unit of area or volume and population densities affect the balance of the environment, choose the best answer.
(Answer)
balance of the environment
Ques: You are presented with the question "_ have the amazing capacity to regrow segments." and the following answer choices: - ferns - arachnids - roots - earthworms - anthropods - crustacean - loose soil - root growth Now knowing that annelids have the amazing capacity to regrow segments that break off and earthworms Earthworms are in the phylum Annelids, choose the best answer.
Ans: earthworms
(Q).
You are presented with the question "What causes cancer?" and the following answer choices: - the skin - smoking - Pollution - cigarettes - Asbestos - Eating too much - Potatoes - buffalo sauce Now knowing that most carcinogens cause cancer by producing mutations in DNA and asbestos is a dangerous carcinogen, choose the best answer.
(A).
Asbestos
Ques:You are presented with the question "What may change the structure of a nucleotide?" and the following answer choices: - oxidation reaction - adding heat - Water - Name - Mutagenic chemicals - permineralization - Air - that material's properties Now knowing that mutations may change the structure of a chromosome or just change a single nucleotide and mutagenic chemicals cause mutations, choose the best answer.

Ans:Mutagenic chemicals
Ques:You are presented with the question "what causes lung cancer?" and the following answer choices: - Pollution - smoking salmon - burning - cigarettes - gasoline - lung tissue - heating liquids - respiration Now knowing that lung cancer is most often caused by exposure to tobacco smoke and tobacco is smoked in pipes or in cigarettes or bidis, choose the best answer.

Ans:
cigarettes