Juan walked 420 meters in 17.5 seconds. What is his speed in m/sec? (Do not include the
units in your answer.)

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Round peas are dominant to wrinkled. what would you cross a round pea with to determine if it were heterozygous or homozygous dominant? why? ?

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.