Which phrase describes a feature of clastic sedimentary rocks? grouped by color
formed by chemical weathering
grouped by size of rock fragments
formed from dead plants and animals

he wrong it grouped by size of rock fragments hope u get an A+

Explanation:

a is the answer to this question

explanation:

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

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~ trueboss72