A scientist spilled a few drops of dilute hydrochloric acid (HCI) on a
lab table. For safety purposes, the scientist sprinkled some baking
soda (NaHCO3) onto the spill. Which observation would provide the
best evidence that a chemical reaction occurred?

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

Is heavenly controller dating someone?