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Sorry the font was too big but yea...
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Two chromosomes that are similar but not identical are called homologous chromosomes. When the chromosomes are duplicated, two identical chromosomes are called sister chromatids.
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Shells are the exoskeletons of clams, snails and oysters. Hope that helps
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sorr i practicing spanish
Explanation:
Todas las partes del cuerpo (músculos, cerebro, corazón e hígado) necesitan energía para funcionar.
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Explanation:
Organisms are well preserved in mud because mud has high water holding capacity. It retains water and does not allow oxygen flow which can destroy the remains of organisms. There are some microbes that preserved whose growth are enhanced in water related environment like mud.
But sand cannot retain or hold water. It drains it off and all oxygen bearing water to flow which enhance decay compared to mud. It can't preserve organisms because of the above reasons.
