The answer is A, 4.6 billion years old. The solar system was obviously formed after the big bang, and using the big bang theory and the birth of our sun, projections show that our solar system is at most 4.6 billion years old.
Answer:
latitude goes across the globe and longitude are "imaginary" line that go up and down a globe
la latitud es una línea "imaginaria" y cruza el mundo horizontalmente y la longitud es una línea "imaginaria" que sube y baja por un globo
Explanation:
An ecosystem has abiotic(no living things like water and wind) and also biotic(living things) while a community is biotic things
There is a device called a thermometer for that...
Valence electrons, then, are electrons in the outermost shell of the atom that determine an atom's or group's ability to bond with others. In chemistry, a group refers to two or more atoms that are specifically arranged.
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