Answer:
7 - a) a small river is called a <em>pond</em>
8 - b) fresh water conservation efforts
Answer:
d
Explanation: My reasoning is alphabets are shared amongst all speakers of a language.
Answer & Explanation:
Physical characteristics include land forms, climate, soil, and natural vegetation. For example, the peaks and valleys of the Rocky Mountains form a physical region. Some regions are distinguished by human characteristics. These may include economic, social, political, and cultural characteristics.
They use maps and satellites.
Answer:
Rotting of food
Explanation:
Enzymatic reaction causes molecules to change when rotting, therefore, rotting is a chemical reaction.