Salutations!
What component of Earth’s atmosphere exists entirely as a result of photosynthesis?
Oxygen is the component of Earth's atmosphere that is existed entirely as a result of photosynthesis. Photosynthesis is a procedure that plants and other different organisms use sunlight to make their food. It is a chemical procedure.
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I’m pretty sure it’s water vapor so try that
Neurosecretory cells make and release the hormones from the posterior pituitary. The cell bodies of these neurosecretory cells receive synapses from Afferent neuron and their axon terminals release hormones into blood stream or the local extracellular space.
Neurohormone is generally produced by neurosecretory cells and liberated by nerve impulses. Neurosecretory cells receive synapses from afferent neurons to guide magnocellular neurons .
A synapse is known as a small junction at the end of a neuron that allows any signal to pass through one neuron to another. Synapse is a junction were the one neuron get connected with the other neuron .
To learn more about neuron , here
brainly.com/question/24217914
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2 lowercase letters means that the recessive gene is visible, so it should be red feathers
According to the evolution theory, the first insects appeared about 400 million years BC in the Devonian Period.