I think you’ll be able to be able to breathe better
The correct answer is they are produced by cyanobacteria.
Stromatolites are being produced by cyanobacteria.
Stromatolites are termed as layered mounds, which have columns and also sheet like rocks which are originally formed with growth of layers.
Lichen stromatolites is a type of stromatolite which is formed by layered structures rocks and they are formed above water.
Answer:
B. abiotic factors.
Explanation:
Abiotic factors describe soil and temperature in an ecosystem.
The reaction which connects monomers (polymerization) is dehydration synthesis.
The name tells you about the nature of the reaction - dehydration means 'loss of water', correct? When two biological monomers connect, one gives up a hydrogen ion (H+), and the other gives up a hydroxyl group; (OH-). They combine to form H2O - water.
