Answer
4
Explanation:
four rays can also explain the ray diagram if the object is at infinity
The periodic table of elements arranges all of the known chemical elements in an informative array. Elements are arranged from left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass. The rows are called periods.
I remember c/d. That's not a problem. But if you want 'c', you'll have to give me 'd'.
Answer:
option c is correct, earth temp increase
