Answer: it gives water
Drinking, cooking, electricity or hydroelectricity
We can use it to grow food or use it in hydroponics
We can filter it into drinking water
Answer:
B
Explanation:
analysis of the system affects the environment on which you are sudying
Answer:
A
Explanation:
international relations, foreign Ploricy
Objectives behaviors, and dimensions) in German.
An accurate description of the physical characteristics of Poland is mainly flat landscape, fertile soil except in the east and northeast, many lakes, large deposits of coal, sulfur, and copper, a mountainous region in the south. <span>Coal is Poland's most important mineral resource.</span>
Answer:
<em>A. 6,000 years</em>
Explanation:
Original sample N = 60 g
The half life of N/2 is 3000yrs
"""""""""""""""""""N/4 is 6000yrs
N/4 ===> 15 gram
it takes 6000yrs to decrease to 15grams