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1. bailey wants to find out which frozen solid melts the fastest: soda, ice, or orange juice. she
pours each of the three liquids into the empty cubes of an ice tray, and then places the ice tray in the
freezer over night. the next day, she pulls the ice tray out and sets each cube on its own plate. she
then waits and watches for them to melt. when the last part of the frozen liquid melts, she records
the time.
independent variable: soda, ice, or orange juice
dependent variable: how fast it melts
controlled variable: how long she waits, how much of each is used

Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. threat method number of species that benefit number of years to see benefit habitat fragmentation reforestation 450 8 introduced prey species biological augmentation 150 2 which statement is an accurate explanation of the information in the table? a. biological augmentation would benefit only a few species because it is typically not very effective. b. biological augmentation would take less time to be effective because it targets the majority of prey species. c. reforestation would take the longest time to be effective because trees take several years to grow. d. reforestation would not benefit many species because most forest species live on the ground.

One of the purposes of transcription is to produce a sequence of bases that

The response is the basis for vaccination. primary secondary tertiary none of the above