Which type of building would most likely have poor indoor air quality? a. one in a cool climate with a good ventilation system
b. one in an urban area where windows are often open
one that is tightly sealed and air-conditioned
d. one that has not been repainted or re-carpeted in several years
C.

Which is it a characteristic of the animal kingdom? a. they include both vertebrates and invertebrates b. their skin is covered with hair or fur c. they are heterotrophs d. they are eukaryotic

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.

case study case study case study case study case study case study case study case study case study case study case study