.answer:
so the first one is analogous
the second is homologous
and the third is analogous
explanation:
analogous. this means they share a similar function (flight) but do not have the same embryonic origin.
Answer:

Explanation:
The formula for tin(IV) sulfide is SnS
Cost more. Gas and oil have a very steady low price, and also the sun is not always out.
Does that help?
Answer:
The first one is 425g of copper
Explanation: