Answer:
The rocket is now too heavy to reach its destination.
Answer:
A (Hypothesis) is scientific knowledge published through direct observation and remains constant scientific knowledge can change when scientists (generate hypothesis)
Answer:
C. single replacement
Explanation:
In a single replacement reaction, one atom replaces another.
The general form of a single replacement reaction is: A + Bc ⇒ Ac + B
A + B × c ⇒ B + A × c
↓ ↓ ↓ ↓ ↓ ↓
Fe + Pb(NO₃)₂ ⇒ Pb + Fe(NO₃)₂
Iron switched places with lead so the reaction is a single replacement reaction.
Hope this helps.
