1. Which of the following does not use radiation but magnetism instead? A. all of these

B. CT Scan

C. x-ray

D. MRI

E. none of these

2. Select 2 that apply.

Figure out which step in the scientific method is being used.
"I wonder why the lake is brown today?"

A. problem question

B. observation

C. analyze data and draw conclusions

D. experimentation

E. report results

F. hypothesis

3.Choose True or False.
Electron microscopes are the best tool for use on living things.

A. True

B. False

What two fields of study provide the core information that is used to classify organisms?

The endoplasmic reticulum (er) is an organelle in some cells. in these cells, it is continuous with the nuclear membrane and forms a large part of the cell\'s total membrane. sort the phrases below as describing rough er, smooth er, both, or neither. note: if you answer any part of this question incorrectly, a single red x will appear indicating that one or more of the phrases are sorted incorrectly.1) found in prokaryites and uekaryotys2) involved in protein synthesis3) involve in lipid synthesis4) contains molecular chaperones in lumen5) bound with ribosomes6) involved in toxin or drug metabolism7) large systemot internnected tubules, vesicles, and sacs8) "packages" enzymes in vesicles for secretion.

~fourth largest plate ~includes parts of the indian and atlantic oceans ~subducts below the eurasian plate on the west side ~ the arabian and somali plates form boundaries with it what is the name of the tectonic plate described above? a) african plate b) eurasian plate c) north american plate d) indo- australian plate