When the temperature of the air is 25°c, the velocity of a sound wave traveling through the air is
approximately
a. 332 m/s.
b. 347 m/s.
c. 357 m/s.
d. 320 m/s.

Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm