Answer:
Breathe and stretch as you study. ...
Become a pro at time management. ...
Cut out distractions. ...
Take breaks outside. ...
Get your heart pumping. ...
Talk it out. ...
Make bedtime a priority. ...
Get your study snacks right.Explanation:
Using your knowledge of m/v = g/mL, you can start by putting that in the equation as:

And you know that the volume is 25 mL. So you could put this into the equation as:

And you also know that the molar mass of KCl is 74.55g (K = 39.1 g/mol and Cl = 35.45 g/mol. Add them together to get 74.55g/mol).
We can then put this in the equation as:

Then, we can mulitply them all together:

And now we know that
there are 0.01 moles of KCl in the sample.
Answer:
There are 3 main types of T cells: cytotoxic, helper, and regulatory. Each of them has a different role in the immune response. Cytotoxic T cells (Tc cells) have a co-receptor called CD8 on their cell surface. CD8 partners with the T cell receptor and with MHC class I molecules, acting as a sort of bridge.
Explanation:
Answer - A. Depressants
Reasoning - Why his Lungs, Kidney, Liver are failing is because of depressants. When taking depressants and overdosing like cough syrup can cause the organs go into a state of depressant. Which causes the organs to have problems and can kill him.