I think it's number 3 .......
Neutrons are the subatomic particle that remain neutral.
The recent events where scientific facts were changing our new discoveries on the moon and the new species of early humans have been discovered.
<h3>What are scientific facts?</h3>
Scientific facts are those facts that are based on scientific theories and experiments. These facts are true, and they came from organized and systematic knowledge.
Scientific facts were always changing s new discoveries happen. Scientist discovers new things every day.
Thus, the recent events are new discoveries on the moon, flying, and land in the martian area. A new species of early humans have been discovered.
To learn more about scientific facts, refer to the link:
brainly.com/question/23206660
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The answer is 300 joules of energy.
An energy pyramid is a presentation of the trophic levels in an ecosystem. Energy from the sun is transferred through the ecosystem by passing through various trophic levels. Roughly 10% of the energy is transferred from one trophic level to the next, thus preventing a large number of trophic levels.
<span>Most ecological process cannot be observed or studied at the individual level.</span>
