Help me? I know the purpose of the lab is a substance that is used to show their presence or absence of the different symptoms in my solution. I know the teacher strongly suspect Zack is leaving the food in the sample. And if the food was tofu, then it will react with the reagent that shows the presence of The protein because the food is the primary protein.

So then who left the food?

Populations of blue-winged warblers, a type of bird, migrate south in the winter and return to canadian breeding grounds in the spring. as global temperatures have increased due to climate change, spring has started arriving in the warbler's breeding grounds earlier in the year, before the warblers return. warblers now arrive at their breeding grounds too late to select ideal nesting sites and to feed on important early-spring food sources how are populations of blue-winged warblers most likely to be affected by the earlier arrival of spring? o a. populations will go extinct since the warblers will stop migrating to breeding grounds. b. populations will be unaffected since most species can quickly adapt to effects of climate change. c. populations will increase since warmer temperatures are generally beneficial to survival, d. populations will decline since individuals will be less likely to successfully reproduce, reset next

Witch type of microscope is used to view very small cell components like proteins and dna?

What element does susan b. anthony include in this passage to strengthen her argument?