Which of the following is NOT a benefit of wildfires? *
O
Insects moving in after a fire provide more food for birds.
O
Wildfires help undergrowth in a forest grow denser.
O
Fires can clean out diseased trees from an overcrowded forest.
O
Fires help tough seeds to break open.

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.

What is true for a substance that releases energy