Afossil of a fern and other large-leafed plants were found in an area of alaska. what does this suggest about this area in alaska?
a. a forest is now covered with snow.
b. a farm was once located in the area. eliminate
c. the area once had a warmer climate.
d. prehistoric man ate large-leafed plants

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

Which is a function of the central nervous system

10. which person would be the least effective host for a pathogen? an older person a young athlete a smoker a sick person