Which is true according to Oparin and Haldane? A. The formation of amino acids was probably complete within one million years.
B. The first organic molecules were formed in the sea, from the gases in the atmosphere.
C. The early atmosphere contained methane, carbon dioxide, and oxygen.
D. Organic molecules eventually merged from several places on Earth.​

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.