B independent of cellular activity
Answer:
B. sandwich generation
Explanation:
"The sandwich generation refers to middle-age adults (often in their 40s and 50s) who are caring for both elderly parents and their own children."
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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:
True is the correct answer.
Explanation:
