Which of the following is not a name for a chain of amino acids? A. Polypeptide
B. Polyamino
C. Polymer
D. Protein

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Greenthe fossil record is the history of life recorded byhuman observationgod. climatologists. remains of the past.

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?