Answer:
Small marine animals produce a very hard skeleton made of calcium carbonate, which they extract from the seawater and combine CO2 for limestone.
<em>Hope this helps, please mark brainliest? :))</em>
Answer:
false
Explanation:
The atom model has changed over time because of the discovery of subatomic particles
The answer is false. Hope this helps
Nolur acil lütfen yalvarırım sana da hayırlı
To test for hydrogen, burn a candle near the suspected source of hydrogen. If you hear a squeaky pop sound, hydrogen is present because when hydrogen gas burns, it makes a squeaky pop sound.