Type the correct answer in the box.

is the use of reliable knowledge for a practical purpose.

is the study of the natural world through observation and experimentation

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Afraction can be converted to a decimal by dividing the denominator into the numerator. use a calculator. divide to convert the fractions from part a to decimals. then describe the pattern you see in the decimal.

Which part of the mantle is similar to the crust ? (science earth's layers)