Which change to the system would cause the freely-moving piston to lower? A) Apply heat to the gas particles. B) Reduce the atmospheric pressure. C) Place the system in an ice bath. D) Add more gas molecules to the system.

What is the smallest unit of geologic time? A. Era B. Epoch C. Eon D. Period

What is a solution? a heterogeneous mixture in which one substance is dissolved into another a homogeneous mixture in which one substance is dissolved into another a mixture in which substances are dissolved unevenly throughout a compound in which

Which health condition is caused by ozone and oxides of sulfur and nitrogen?

What type of energy is moving energy?

Which chemical formula is an example of a compound? 0 A. O₂ O B. 201 C. H2SO4

Organisms best suited to the environment will be the ones that survive and reproduce. This statement best describes A. Natural Selection B. Punctuated Equilibrium C. Adaptive Radiation D. Artificial Selection

External vs Internal environment

According to this food web, which of the following would be considered secondary consumers? Group of answer choices Plants Grasshoppers Wolves Mushrooms

Is a nucleic acid that contains the genetic information for heredity in most organisms. A. a chromosome B. genetics C. a gene D. heredity E. DNA

Joe, a hiker, stands at the top of a hill on a trail above the ocean. Joe's friend Dave is just starting out at the trailhead, which is at the beach. Which statements about Joe and Dave are accurate? Select three options.