A 30-year-old unconscious male patient is brought into the emergency room with the following arterial blood gas values when breathing room air, interpret the ABG results. pH: 7.27 PaC02: 56 mm Hg Pa02: 70 mm Hg,  HC03: 26

You have an unknown substance with a mass of 20 grams and a volume of 7 cm3. What is the density of the substance?

If an atom has an atomic mass of 19 and an atomic number of 7, how many neutrons are in the nucleus of the atom? 

The East African Rift Zone  is currently widening due to _________________.

Magma forms at divergent boundaries due to _____________.

Which of the following theories describes how solar systems form?

Oceanic lithosphere tends to be thicker than continental lithosphere.

Which of the following is the least dense?

The Universe has cooled as it has expanded.

Elements heavier than iron were created during the Big Bang.