3. The rings that you see when a tree is cut down are old xylem. 1.False
2.True, they die each year and are replaced with new xylem.

The zone your looking for is the intertidal zone.

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.

Mechanical energy from wind nonrenewable resource