Which of these is a primary consumer?

Walrus.

Sand eel.

Greenland shark.

Algae.

Is it possible for a substance (e. g. sugar and water) to be both a mechanical mixture and solution? Why or why not?

Which tide occurs during a full or new Moon and is characterized by an extra-high tide caused by the straight-line arrangement of the Sun, Moon, and Earth? A. low B. neap C. spring

Describe what happens to a hydrogen bond between two water molecules

Describe the movement of air when you inhale

Equal moles of sulfur dioxide gas and oxygen gas are mixed in a flexible reaction vessel and then sparked to initiate the formation of gaseous sulfur trioxide.

Which of the following particales is similar to a He nucleas

A gas mixture consists of 320 mg of methane, 175 mg of argon, and 225 mg of neon. the partial pressure of neon at 300k is 8.87 kpa. calculate (i) the volume and (ii) the total pressure of the mixture.

Diffraction is when light is bent around obstructions. Which of the these observation about clouds would indicate diffraction? A) After rain storms, you can sometimes see rainbows. B) Clouds are white or gray and cannot be seen through.

In the following reaction, how many grams of ammonia (NH3) will produce 300 grams of N2? 4NH3 + 6NO → 5N2 + 6H2O The molar mass of ammonia is 17.0337 grams and that of nitrogen is 28.02 grams.

For each solute, identify the better solvent: water or carbon tetrachloride