I need help with wave on a string but wont let me put a link so you guy can see What can you change on the simulation?

In the top left corner are the settings: Manual, Oscillate and Pulse. What are the main differences between these functions?

Select Manual Setting. What are the two things *specific to the wave* that can be changed in this setting?

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Name three different units of energy used to measure heat and describe what type of situations each is usually used.

An object has a weight of 500 on earth what is the mass of this object

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.