Answer:
Water based fluid
Explanation:
The internal environment consists of water based fluid in which the cells of the body present. A fluid called interstitial fluid or tissue fluid bathes the cells and provides essential nutrients to the cell. The human skin has fatty layers that helps to maintain internal heat which is produced by the body when the outside environment is cold. When there is cold in the environment, people lives in warm shelters and wear warm clothes in order reduce the impact of cold environment.
Answer:
Multiple ways that we can minimise the option of plastic are by reusing different plastics, use compost bins, and use reusable grocery bags or reuse plastic bags when grocery shopping, buy secondhand items and donate used goods, and RECYCLE!!
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<span>In any population of bears, some individuals have thick fur, some have thin fur, and some are in between. As temperatures increase with the passage of time, the survival of bears with thin fur will increase, and the number of bears in the population with thick fur will decrease.</span>
Answer:
A) presence of a closed circulatory system
Explanation: