A diagram of primary succession occurring in include each other steps

If you will look at the sun through magnifying glass then the glass will defocus your eyes and so damage will be reduced.

Answerscripps institution of oceanography; i believe this is correct plz check first good luck;

Humans have survived and thrived in mexico city by using technology to create greater access to land. when the spanish conquered the aztec capital, tenochtitlan, in the 16th century, they built mexico city by draining the lakes and filling in the lake water to create more arable land for agriculture. this technique of land reclamation has continued to be fundamental to human civilization in mexico city.