A student drops a textbook that weighs 12N. What is the amount of gravitational force that acts on the book ? 0N
12N
>12N
<12N

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Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes