You are presented with the question "What happens to your leg when muscle fibers shorten?" and the following answer choices: - they bend - It decreases - It straightens - permineralization - It expands - Damages them - Localized damage - Dehydration Now knowing that muscle contraction occurs when muscle fibers get shorter and contraction of the muscle straightens the leg, choose the best answer.
It straightens
You are presented with the question "What is the process of breaking down food into nutrients?" and the following answer choices: - recycling - food processing - digestion - bacteria - eating - hydration - Dehydration - blender Now knowing that digestion is the process of breaking down food into components the body can absorb and nutrients are absorbed by the intestines and if the walls are coated, fewer nutrients are absorbed, choose the best answer.
digestion
Q: You are presented with the question "What is lung cancer most often caused by exposure to?" and the following answer choices: - Chemical energy - carbon dioxide - asbestos - sunlight - water - fossil fuels - cigarettes - hydrocarbons Now knowing that lung cancer is most often caused by exposure to tobacco smoke and tobacco is most commonly smoked in cigarettes, choose the best answer.
A: cigarettes
Question: You are presented with the question "What can be used to make debris?" and the following answer choices: - erosion - rivers - a hammer - heat - wind - water pump - c-clamp - screwdriver Now knowing that breaking apart rocks can cause debris and sledge hammers can be used to break especially hard ledges of rock, choose the best answer.
Answer: a hammer
*Question*
You are presented with the question "what usually has a shell?" and the following answer choices: - an object - humans - animals - density - tortoises - barnacles - h2o - oysters Now knowing that most mollusks have shells and clams, oysters and snails are familiar mollusks, choose the best answer.
**Answer**
oysters
(Q).
You are presented with the question "How does a human keep warm?" and the following answer choices: - Something with a head, thorax, and abdomen - drinking plenty of water - increases the transfer of heat - transfers heat to someone - heat is produced - hard outer covering - prevents the transfer of heat - they body they live in Now knowing that preventing the transfer of heat from an organims 's body causes that organism to keep warm and an adult human is a diploid organism, choose the best answer.
(A).
prevents the transfer of heat