Which example describe biotic and abiotic factors interacting with the environment?

a

oxygen circulating in the atmosphere

b

sunlight shining through a window

c

a valley filling up with rain water

d

dolphins communicating with each other

Which describes Ernest Rutherford's experiment? A) Positive particles are fired at gold foil. Most bounce back, but some pass through. B) Negative particles are fired at gold foil. Most bounce back, but some pass through.

How many H atoms in 2.3 moles of CH4?

Which greenhouse gas is emitted when people burn fossil fuels for energy?

What happens to the entropy of a sample of matter when it changes state from a solid to a liquid?

Sugar is a covalently linked compound with many atoms. Water is able to dissolve sugar. What does this suggest about the atoms of sugar?

What information does the atomic mass of an element provide

The following diagram represents a vertical cross section of sedimentary rock layers that have not been overturned. Which principle best supports the conclusion that these layers have undergone extensive movement since deposition?

What kind of ions do a sodium atom and a chlorine atom become when a valence electron is transferred from one to the other?

NaOH and bleach have several characteristics in common. They include all BUT one of the characteristics listed.

What is the general form for the simplest type of acid-base reaction?