Which term defines the distance from rest to crest, or from rest to trough? A amplitude
B speed
C period
D frequency

What was gained through the gadsden purchase

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.

Even though the u.s. declared neutrality, who did most americans side with in wwi?