Which of the following is a drawback to polyculture? It is challenging to development and maintain.
It allows multiple varieties of plants to exchange multiple resources from and to the soil.
It allows standardized growing techniques.
It offers predictable large yields of a single crop.

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing