Developed along waterways so that settlers could have access to water for crops and food
Answer:
Explanation:
= Mass of clay = m
= Mass of block = 3m
= Velocity of clay
= Velocity of block = -3 m/s
= Velocity of combined mass = -1 m/s
As mometum in the system is conserved we get
The original velocity of the clay mass was .
Answer:
<h3>Questioned what might happen if CFCs rose into higher altitudes and stayed there for a longer period of time.</h3>
Explanation:
- Mario Molina noticed that Chlorofluorocarbons (CFCs) did not breakdown in lower atmospheric conditions unlike other chemicals released into the air. He observed that CHCs rose to higher altitudes where solar radiation were stronger.
- Through this observation, he questioned what might happen if CFCs rose into higher altitudes and stayed there for a longer period of time. This question led to the finding that the chlorine present in CFCs depleted the ozone layer which protects the earth from direct solar radiation.
- It helped in understanding the affects of CFCs to the environment and ozone layer which subsequently led to the ban and limitation on the use of CFCs altogether.
Answer:
LSA of a cube = 100 in²
Explanation:
Let the area of the cube be a.
Given the following data;
a = 5 in²
To find the lateral surface area;
We know that a cube has four faces and as such the lateral surface area would be the area of the four faces.
Lateral surface area (LSA) of a cube = 4a²
Substituting into the equation, we have;
LSA of a cube = 4*5²
LSA of a cube = 4*25
LSA of a cube = 100 in²
Therefore, the lateral surface area of the package is 100 square inches.
Answer:
226,623.957hectares
Explanation:
80000acres = 32374.851 hectares
and 80000acres are cleared in a day
therefore, 32374.851*7 will be cleared in a week
=226,623.957hectares
