Which of the following is an observation and not an inference? a. a cup with steam coming from it will be hot to the touch. b. dark clouds in the sky will mean rain later in the afternoon. c. bubbles form when two chemicals are mixed together. d. a plastic bag moving along the ground is being pushed by the wind.

Explain how organisms could be harmed by high levels of salt from roadways?

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes

Which statements best describe the atoms of the gas neon? check all that apply