The answer is C.Petroleum I hope this helped ^^
Answer:
Explanation:
It certainly isn't the last one. A theory is close to a guess. It fits all the known facts, but there is usually something missing. If someone figures out what is missing, usually by experiment, then the theory become a fact.
The rest of them (1 2 an 3) can all be true. 3 is the least viable. You have to be able to come up with a counter example to reject a theory.
I'm not sure about 2. New phenomena can still be part of current theories. Reluctantly, I wouldn't choose 2 because
1 is the best answer of a very poor lot. Do not be surprised if you use it, that it turns out to be wrong.
Answer: Dopamine
Explanation:
It is made in the brain and also can be used as messengers particularly chemical messengers to relay message between nerve cells. It also help in how we feel pleasure and also assist us with that special ability to think first and then plan.
The flow<span> of a </span>river<span> is the amount of water in the </span>river. ... Likewise, the steeper theriver's gradient<span>, the faster the </span>flow<span> of water (due to the pull of water down the </span>gradient<span>by gravity). Likewise, lower </span>gradients<span> would result in slower </span>flows<span> of the</span>river<span>.</span>
1. The adult frog may eat the young frog
2. There will be more resources for the frogs <span />
