Answer:
barter trade
Explanation:
because you exchange goods
Answer:
A frogs heart has 3 chambers. Two atria and a single ventricle.
Answer:
Repetition
the act of repeating, or doing, saying, or writing something again; repeated action, performance, production, or presentation. repeated utterance; reiteration. something made by or resulting from repeating.
Replication
duplicate, repeat replicate a statistical experiment replicated his mentor's writing style. intransitive verb.
Empirical evidence is the information received by means of the senses, particularly by observation and documentation of patterns and behavior through experimentation. The term comes from the Greek word for experience,
I hope it helps
This is refered to as the chemical symbol. It is derived from the Latin name for the element which is why some elements like potassium (K) and sodium (N) have symbols different from their name on the periodic table.
Answer: Humans and animals aren't the only ones who rely on homeostasis. Plants need to maintain the same balance in order to survive and thrive too. Like animals, plants also "breathe," though the exchange is the reverse of what we do. Plants take in carbon dioxide and release oxygen.
Explanation: trust
