Answer: from the mouth to stomach
Explanation: mechanical digestion takes place when the food travels down from the mouth to stomach. Chemical digestion occurs from the mouth to intestine.
Marine Protected Areas are areas where human activities in certain marine environments have been limited to protect the environment and its inhabitants. This can be important because it seeks to protect the organisms and ecosystem of the marine environment, reduces pollution to the marine environment, preserves a marine environment for future use, and can also maintain the aesthetics of a marine environment. These are all factors which are related to conservation and preservation of an ecosystem or environmental area which are the main purposes of Marine Protected Areas.
Answer:
The essential element of geography called physical systems focuses on the study of the Earth’s natural environments and the systems that shape them.
<em>Physical geography studies the layers of the Earth and the connection between them. For example, the interaction between the anthroposphere and the biosphere - the way in which the protection of natural environments is achieved, but in which tourist routes, tourist activities are also integrated.</em>
Answer:
<h3>Ocean salt primarily comes from rocks on land. ... Rocks on land are the major source of salts dissolved in seawater. Rainwater that falls on land is slightly acidic, so it erodes rocks. This releases ions that are carried away to streams and rivers that eventually feed into the ocean.</h3>