Which statements describe global warming? Select two answer choices.

Global warming can be decreased through deforestation.

Global warming occurs naturally.

Global warming results from the buildup of nutrients in runoff.

Global warming is likely increased by humans.

Global warming is enhanced by nonnative species

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