In the skin, the epidermis can be compared to which of the following?

a. A wall that protects a country from invaders
b. A ship that transports cargo
c. A telephone line used to communicate information
d. A switch that turns a light on

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal