Which observation BEST demonstrates Newton's first Law of Motion? A. A small rock thrown at a trashcan cannot knock it over, but a more massive rock thrown with the same
force at the same trashcan can knock it over.

B. A football thrown by an NFL quarterback has greater acceleration than a football you throw.

C. A book placed beside you in the back seat of a car slides to the floor as the car stops suddenly.

D. An astronaut weighs more on Earth than he does on the moon, but is mass does not change.

electronic measurement tools display data on a screen after waiting for several minutes.

while some business owners prefer manual record keeping systems, most businesses use an electronic record keeping system - making it easier to capture information, generate reports and meet tax and legal reporting requirements.

explanation:

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation:

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.