What is an electrolyte? a. a compound that dissolves in water b. a compound that conducts electricity when dissolved in water or when molten c. a metal or metal alloy that conducts electricity d. an amorphous solid, such as plastic, that does not conduct electricity 2. which is an example of an electrolyte? a. oxygen (o2) b. glucose (c6h12o6) c. methanol (ch3oh) d. sodium hydroxide (naoh) 3. acetone dissolves well in water. which observation or measurement would best you classify acetone as a nonelectrolyte? a. the mass of acetone and mass of water in a sample of the solution b. the molar mass of acetone c. whether a solution of acetone and water conducts electricity d. whether acetone has the properties of an acid or base?

What must happen before a body cell can begin mitotic cell division

Quickly! brainliest if two people answer! 1. the blood has red blood cells, white blood cells and platelets. red blood cells carry oxygen to other cells in the body. cells need oxygen to live. white blood cells destroy certain germs. they protect our bodies from disease. which question is answered in this paragraph? (a) what is the role of blood vessels? (b) what type of cells are attached to bones? (c) what type of blood cell to clot your blood? (d) what are the different types of blood cells? 2. which sentence from the section "stem cells" best explains the role of stem cells? (a) when one kind of cell stops working, stem cells can . (b) they can turn into that cell and take its place. (c) scientists are studying new ways to use stem cells. (d) these cells can people heal faster. 3. read the selection from the section "nerve cells." nerve cells send messages to the rest of our bodies. these messages move between the brain, spinal cord and various organs. nerve cells are also called neurons. fill in the blank. a "neuron" is a (a) cell that moves information from the brain to other parts of the body (b) stem cell that has both an axon and a dendrite (c) cell that controls the fingers of a body (d) cell that makes up the spinal cord 4. some muscles in our body move without us telling them to. these are called involuntary muscles. some examples are the cardiac muscle cells inside the heart. these cells the heart relax and fill with blood. what is the best definition of "involuntary" based on the context clues? (a) something that happens on its own (b) trying hard to do something (c) something moving back and forth (d) easily moved

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)