Answer:
Infrastructures affected include those who are most vulnerable to the weather conditions such as Power lines and road and bridge. The harsh conditions damages these infrastructures. A damage in any of them usually cause a ripple effect and also affects others indirectly too.
This affects the economy by a steady decline being noticed because the economy is usually run on these infrastructures.
Answer: sugar
Explanation: it is one of the most valuable crops they have there
Answer: 1) Angular separation equals 0.0000031 degrees
2) Angular separation in arc -seconds equals 0.011156"
Explanation:
For 2 stars separated by a distance 'S' and at a distance 'D' from the earth the angular separation in radians is given

Applying values we get

Now we know that 'π' radians equals 180 degrees thus the above value in degrees shall be equal to

2)
The angular separation in arc- seconds is given by

Answer:
The overall climate in the United States of America (USA) is temperate, with notable exceptions. Alaska has an Arctic tundra climate, while Hawaii and South Florida have a tropical climate. The Great Plains are dry, flat and grassy, turning into arid desert in the far West.
Answer:
The continued use of RoundUp creates a consistent selection pressure that can cause evolution of resistance in a weed species.