What are tiny air sacs of the lungs where oxygen and carbon dioxide are

exchanged?

•pharynx

•larynx

•bronchi

•alveoli

Select all that apply. the polarity of the hcl molecule is due to the: greater attraction of the chlorine nucleus for the shared electrons shape of the molecule large differences in electronegativity great difference in size between the two atoms

Whose work did Niel Bhor build upon?

Copper has two naturally occurring isotopes. Cu-63 has a mass of 62.939 amu and relative abundance of 69.17%. Use the atomic weight of copper to determine the mass of the other copper isotope

I'll be giving out brainliest to whoever chooses more than one! Which state of matter contains particles that move slightly in a fixed position? You can choose more than one! a. plasma b. liquid c. gas d. solid

What is most similar about the alkline earth metals

how do geologists use seismic waves to locate an earthquakes epicenter

Which formula id correctly paired with its name? A. MgSO↓ = magnesium chlorine B. FeO = iron (|||) oxide C. K↓2O = Phosphorus dioxide D. CuCI↓2 = copper (||) chloride

Suppose you find a rock that contains some potassium-40 (half-life of 1.3 billion years). you measure the amount and determine that there are 5 grams of potassium-40 in the rock.

What are some positive and negative effects of the production of maple syrup on society and the environment?

Describe and give an example of parasitism.