Chalk is a soft white powdery limestone that's made with fossil shells of foraminifers. Chert is a hard dark opaque sedimentary rock which is made of silica with an amorphous fine grained texture.
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tropical evergreen forests
Explanation:
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Answer:
Science is the study of living organisms and non living things.
Chemistry is a branch of science that deals with study of matter in relation to its composition.
Physics is the branch of science that deals with study of matter and its derivatives or quantities.
Move the decimal over two spaces to the left
.035
ep·och - noun
a period of time in history or a person's life, typically one marked by notable events or particular characteristics.
"the Victorian epoch"
