Can some please help me with these 4 questions please I will give 30 points of answer is right and marked as brainliest also no links please

Answer the use of flood plains and irrigation;

It's probably because the earth is actually tilted and is not straight when orbiting the sun. that's why when it's winter here, it's summer in the southern hemisphere. in the wintertime in the northern hemisphere, it's colder here because it's tilted away from the sun and the southern hemisphere is tilted closer to the sun (i believe this is the case anyways)

What are your choices?

here is the correct answer.

i got it wrong but it showed me the correct answer.