Q2)Spherical wave fronts are made of curved lines. When are they said to be parallel lines?
1-When the distance is very close from the source
2-When the distance is very far from the source
3-When the frequency is very high
4-When the wavelength is very high

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

i really hope this answer you out! it makes my day people like you and giving back to the community that has me through school! if you could do me a favor, if this you and this is the very best answer and you understand that all of my answers are legit and top notch. mark as brainliest! and have a awesome day!

this is a good question! i'll do some research and come back when i have the answer!

wire in brush may conduct electricity from cell to drill and vice versa electrc shock possible