The answer is E) all of the above
I believe the correct answer for this question is 2500 calories
Modern firearms use the same principles as muzzleloading firearms. The ignition and burning of gunpowder create pressure. This pressure propels projectile(s) down the bore and out of the muzzle. The first modern firearms used black powder. Since about 1890, modern firearms are designed to use smokeless gunpowder. Smokeless gunpowder creates greater pressures and should not be used in firearms designed for black powder. Watch what happens when the trigger is squeezed on this bolt action rifle.
Answer:
B. QRS wave
Explanation:
The position of QRS wave on an electrocardiogram corresponds with the point of highest blood pressure in the vessels leaving the heart. Hence, option (b) is the correct answer.
Answer:
One of the reasons that you may have mental health is because you see so much screens . When you are under 12 years old,your brain is a silk and the texture of the brain, like a marshmallow. When your in front of a screen, your brain catches on fire and shrinks. When fast movement on a screen, your brain gets electrocuted.Only if its necessary 2 or 3 min for ages of kids of 12 year old kids.
