25. use the information from the above
question to calculate both phenotypic
ratios and genotypic ratios for the results
of each of the following cross:
tt gg x tt gg

answer; bodies of water store heat during the day and release it at

"do a testcross with a homozygous recessive plant."

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