Answer:
-5x² +6x
Explanation:
The given expression is :
-3x(x-4)-2x(x+3)
It can be done as follows :
-3x(x-4)-2x(x+3) = (-3x)(x)-(-3x)(4) - 2x(x)-2x(3)
= -3x² +12x -2x² -6x
= -3x²-2x² +12x-6x
= -5x² +6x
Hence, the equivalent expression is equal to -5x² +6x.
Disruptions to Ecosystems
Wildfires. Fire is a common disruption to ecosystems that can be caused by nature or by human behavior. ...
Flooding. ...
Volcanic Eruptions. ...
Habitat Destruction. ...
Introduced Species. ...
Overhunting. ...
Pollution and Environmental Change.
And many more......
Answer:
Option C. Homes made out of materials found in their environment is the only correct one.
Explanation:
Options A, B and D are not correct as these are the examples of modern (popular) culture.
C is correct because it tells about some original customs that have been existing in a certain area for a longer period time and has a large tradition.
There is a grand total of 196 countries in the world. Hope this helped.
