Sponges have no “true tissues.” what does this mean?
select one of the options below as your
a. they perform body functions by diffusion.
b. they have organs for specific functions.
c. similar cells do not cooperate together.

Which best explains how this maneuver unblock a person's airway?

The deserts of the sahara and australia are associated with

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.