Construct an argument with evidence to support the claim that the amount of force needed to accelerate an object is proportional to its mass (inertia)

In the image, the arrow is pointing to a celestial object. which attribute disqualifies the object from being a planet?

Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.