Why is an electromagnet special? -It's stronger than a regular magnet.
-It can be turned on or off.
-It attracts more types of metals.

Describe pasteur’s results and how they disprove spontaneous generation.

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.