Looking at the following answers, and considering the definition of a biological community I believe the answer is D.
Which two solutions, when mixed together, will undergo a double replacement reaction and form a white, solid substance?
1. NaCl(aq) and LiNO3(aq)
2. KCl(aq) and AgNO3(aq) answer
3. KCl(aq) and LiCL(aq)
4. NaNO3(aq) and AgNO3(aq)
2 is the answer because AgCl is formed and that is a white ppt.
Answer:
They are already matched for you. It goes
1.
2.
3.
in the order of the questions.
Answer:
amplitude
Explanation:
The amplitude of a wave is the distance from the centre line (or the still position) to the top of a crest or to the bottom of a trough
I think it is full because an atom is really small and can’t really be unreactive