Which statement shows ethical behavior by a digital leader?

A leader reports a classmate who posted inappropriate messages about others on a social media site.
A leader who is anxious to complete a project asks a classmate to copy and paste an online article in a report.
A leader who is unsure what to do about a classmate viewing an offensive website decides to ignore it.
A leader decides to disregard the ideas of a classmate who speaks a foreign language.

Chemistry worksheet - i am not sure what they are asking for exactly?

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

Achemical equilibrium between gaseous reactants and products is shown. n2(g) + 3h2(g) ⇌ 2nh3(g) how will the reaction be affected if the pressure on the system is increased? it will shift toward the reactant side as there is lower pressure on the reactant side. it will shift toward the product side as there is higher pressure on the product side. it will shift toward the reactant side as there are a greater number of moles of gas on the reactant side. it will shift toward the product side as there are a fewer number of moles of gas on the product side.