Which is a “big idea” for space and time?

Forces describe the motion of the universe.

Energy can be transferred but not destroyed.

The universe consists of matter.

The universe is very big and very old.

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

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by