The speed of light in four different materials is shown below: material speed of light in thousand miles per second

a 140 b 78 c 186 d 124 which statement is correct?

1. material b is the least dense.

2. material c is the most dense.

3. material a is denser than material d.

4. material d is denser than material a.

preservation because he preserves part of the land and preserves means save

explanation:

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a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation: