Modeling fossil formation using leaves, twigs, sand and water. Pour 4 inches of water in a container first. Then add 2 inches of sand. Spread twigs and leaves in a thin layer on top of the sand. What would you see in a week? Add 2 more inches of wet sand on top of leaves and twigs and let dry for 2 weeks. At the end of 3 weeks, gently break apart the layers. What do you see on the bottom and top layers of sand and in the leaves and twigs.
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Biology, 21.06.2019 13:30
Which of the following descriptions of proteins are true? i. proteins can have different sequences of amino acids. ii. proteins can have different shapes. iii. proteins can have different numbers of amino acids. a. only i and ii are true. b. only ii and iii are true. c. only i and iii are true. d. i and ii and iii are all true. e. none are true statements
Answers: 1
Biology, 22.06.2019 09:30
Resperation is a way to release carbon back into the atmosphere
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Biology, 22.06.2019 22:00
Which statement is true for all sexually reproducing plants and animals? the process of mitosis produces gametes.the process of mitosis always produces diploid cells.the process of meiosis produces gametes.the process of meiosis produces haploid cells.the process of meiosis produces diploid cells.
Answers: 2
Modeling fossil formation using leaves, twigs, sand and water. Pour 4 inches of water in a container...
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