Q, R, S, P is the order of apparent magnitude of the stars, starting from the least to the greatest.
Answer: Q, R, S, P
<u>Explanation:</u>
The apparent magnitudes of the star is the brightness calculated by an observer at a particular distance from the Earth. The smaller the distance between the star and the Earth, the greater the apparent brightness.
So , from the given distance (in light years), Q,R,S,P is the answer (least to the greatest apparent magnitude) (distance is greatest to least).
<h2>Acetic Acid</h2>
Explanation:
- Initial alcohol that is formed from methane is methanol that can be converted to acetic acid.
- Methanol in presence of
and hydrogen gas gets oxidized to acetic acid with the release of water.
Hence, compound A will be Acetic acid.
→ 
- The acetic acid formed can be transformed into -
→ 
The product formed is methane and carbon monoxide.
2.
→ 
The product formed is formaldehyde and water.
3.
→ 
The product formed is sodium acetate, carbon dioxide, and water.
Answer:
Lake Ontario and St Lawrence Seaway
Explanation:
The Great Lakes are connected to the Atlantic Ocean through the St. Lawrence Seaway.
Its definitely gotta be b im pretty sure
Nobody specifically made the periodic table but it was first thought of by Dmitri Mendeleev in 1869.