How do birds learn to sing some songs?

a. defensive behavior

b. spatial learning

c. observational learning

d. mimicry

What occurs to the cell during mitosis

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.

Communication and transportation have improved as a result of scientific advancements. select the best answer from the choices provided of mark this and return save and exit next