Answer:
eight protrons
Explanation:
Oxygen is a chemical element – a substance that contains only one type of atom. Its official chemical symbol is O, and its atomic number is 8, which means that an oxygen atom has eight protons in its nucleus.
Intensive farming practices include growing high-yield crops, using fertilisers and pesticides and keeping animals indoors.
a. The Calvin Cycle: is a cyclic pathway that produces three carbon molecules from CO 2.
<span>Postsynaptic potentials are changes in the membrane potential of postsynaptic terminal. A depolarizing synaptic potential is also known as an excitatory postsynaptic potential. it is the synaptic potential that makes postsynaptic neuron likely to fire an action potential. Postsynaptic neuron is of two forms excitatory and inhibitory.</span>
The structures of the respiratory system interact with structures of the skeletal, circulatory, and muscular systems to help you smell, speak, and move oxygen into your bloodstream and waste out of it.