Fill in the blank Ozone is a molecule made of three oxygen atoms. It resides in the atmosphere and helps protect the planet from the Sun's highly damaging ultraviolet rays. This gas also helped cool early Earth's a. lithosphere
b. atmosphere
c. hydrosphere
d. core

Identify the examples in which sam interacts only with natural resources

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.