Which of the following statements is true about light? A. Light needs a medium through which to travel B. Light can not be diffracted around objects C. Light can travel through the vacuum of space D. Light moves slower than sound

You go to the playground and slide down the slide, a 3.6-m-long ramp at an angle of 40. ∘ with respect to horizontal. The pants that you've worn aren't very slippery; the coefficient of kinetic friction between your pants and the slide is μk = 0.47.

Which of the following body systems does the immune systems rely on to provide the first line of defense against pathogens? A. Integumentary system B. Nervous system C. Circulatory system D. Endocrine system

Changing the orbit of a spacecraft by firing thrusters is an example of

Jenna took an open bowl of leftover mashed potatoes from the refrigerator. She determined that chemical changes occurred since the potatoes were first placed there. Which observations most likely led to Jenna's conclusion? A. a production of odor B.

As the distance between two charged objects increases, the strength of the electrical force between the objects Evanes remains the same. increases decreases

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.