Helpp?

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

Identify the area on the image where the force of attraction is the strongest.

Distinctions between earth’s crust and mantle are based on: a. rock types b. chemistry c. seismicity d. all of the above