batay sa kwentong unsung hero, mahalaga ba ang ugnayan ng tao sa kanyang kapuwa? may kilala kabang kagaya nya?​

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above