Which part of the eye is not actually a structure , but is simply an opening created by the iris muscle?

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

What type of pollution does household garbage cause

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.