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.
B: They occur more quickly than reactions without enzymes
Answer:
Metamorphic rocks are changed by the heat and pressure inside Earth.
Explanation:
<span>Along North American coasts, the algae responsible for formation of kelp-beds is Brown Algae. The brown algae (such as seaweed) forms an important part of the ecosystem in marine environments as both a food source and habitat. The formation and structure of the brown algae varies from environment, kelp beds and forests are harvested for human consumption.</span>
