A diagonal boundary seems to divide at least layer F and layer B into two sections. Predict the
event that formed this boundary, and predict
whether the event occurred before or after the formation of the layers around it. Explain your
reasoning.

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In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

Examine the equation. 23490th→23088ra+42he what kind of barrier would you need to block the radioactive particles from this reaction? a.a piece of paper b.a sheet of aluminum foil c. a two-inch block of lead d. a solid concrete block

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.