The answer is true, they are only single celled!
A. the runner's muscles have accumulated lactic acid.. I think. 99% sure
Answer:
homeostasis
Explanation:
Responding to the environment by maintaining a stable internal environment despite changing external conditions is characteristic of living things. The maintain of stable internal environment called homeostasis. Other characteristics of living things are: the possibility to produce, one or more cells, the possibility to grow and develop...
i hope i answered your question!
thanks,
Michael
Matter cannot be created or destroyed. this means that the number of atoms before the reaction has to equal the number of atoms after the reaction.