Answer: in order for a scientific investigation to be valid A hypothesis must be tested throughout a Scientific investigation that can gather evidence and support it.
Explanation: in any scientific investigation you have to have a testable hypothesis, without your hypothesis it’s not really a scientific investigation.
Hope this helped!
Answer:
The answer is A!
Explanation:
Because liquids and gases move, soilds will stay in place unless you move it.
By not talking it out or not seeking help people can internalize it and make everything seem like their fault even though it's nobody's. Hope this help :)
<span>The answers are the substances found in the
simple compounds of Hydrogen</span><span>, ammonia, methane and water and when they will undergo melting or boiling, there are weak
'intermolecular forces' that break them which is the reason why it is not a strong
covalent bond.</span>
Answer: C
Explanation: Because the larger animals might starve if they don’t any smaller fishes to feed on unless they also leave the area or change there diet.