Answer:
When winter arrives availability of food and water decreases so birds travel to warmer places to escape the cold also to survive over there
Explanation:
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Answer:
Substances
0 (most acidic) Hydrochloric acid (HCl)
1 Stomach acid
2 Lemon juice
3 Cola, beer, vinegar.
Examples of alkaline are:sodium hydroxide, potassium hydroxide, calcium hydroxide, magnesium hydroxide etc
Answer:
C. Only bacteria can reproduce outside a host.