Answer: Safe water is essential for human life. ... Each person on Earth requires at least 20 to 50 liters of clean, safe water a day for drinking, cooking, and simply keeping themselves clean. Polluted water isn't just dirty—it's deadly. Some 1.8 million people die every year of diarrheal diseases like cholera.
Explanation:
Please mark as brainliest for me.Thank you so much
Answer:
Cities and towns were established, and humans had more time for leisure activities.
Explanation:
The Agricultural Revolution is often referred to as "dawn of civilization" because:
Cities and towns were established, and humans had more time for leisure activities.
<span>The
law of non-contradiction states that something cannot be both </span>true<span> and not true at the same time and context. Under
this law, when we have a set of statements about a subject, we cannot have any
of the statements in that set negate the truth of any other statement in that
same se</span>t
When you think about it, the flow sewage is a form of pollution. Therefore the raw sewage would pollute their source of survival being the river which they drink, and bath from.
The correct answer is A) The space shuttle program has come to an end.
The author thinks that the time may now be right to focus on ocean research because the space shuttle program has come to an end.
The main argument for the author to support ocean exploration is that he considered that the space shuttle program of NASA had already ended in 2011. Too much money -billions of dollars- had been invested in the space program, and now it was time to enter the unknown territories of the oceans.
The author is probably right. We do not much about oceans and what could be under the sea. That is a real mystery. We have explored enough about the space, according to our possibilities and limitations, but practically the ocean is unknown. So ocean exploration would be a real challenge.
