Bollo notes that the lungs look like an upside-down tree. Many things in nature, from broccoli to blood vessels, look like trees. Why do you think this shape is so commonly found?

Which experiment would most likely contain experimental bias ?

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.