Which statement is true about bacterial cells? * O The Wells are very large
The cells have no nucleus
O They are eukaryotes
O They have organelles

the correct answer is:

a population changes in response to a change in the environment.

the answer is c.) there is a warm front in region a and a stationary front in region b.

igneous rocks are formed by solidification of cooled magma (molten rock), with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive (volcanic) rocks.  

the composition depends on the source magma. there are almost a thousand types of composition found till now.  

hope this