Which of these events did not take place in the Precambrian era? a) Continents solidified
b) Intense volcanic activity occurred
c) The first green plants grew in the sea
d) Thick bacterial films began to grow on rocks outside the ocean

The table below shows the number of foot bones in some horse fossils.horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s

Biology ! the conversion of inorganic carbon to organic carbon by plants during photosynthesis is known as _[blank]_. filtration immigration reabsorption primary production

Based on her survey, which advertising mediums will work best to publicize leslie's in-store specials?