The symbol C represents Carbon.
CaCO₃ ⇒ CaO + CO₂
Calcium carbonate is a compound which comprises of elements such as :
<h3>Compound</h3>
This is formed from the combination of two or more elements in a chemical
reaction. In this scenario, the elements are combined in varying proportions
to form the compound.
Carbon is an elements which is denoted with the symbol C which makes it
the appropriate choice.
Read more about Compound here brainly.com/question/7849874
Between the Tropic of Cancer and Capricorn is the equator , which is one of the hottest places on Earth. I hope this helps you!
Water plants in the solution are placed under a bright lamp. Thus, option "B" is correct.
<h3>Explain your answer briefly?</h3>
As we know adding carbon dioxide in as solution result in the change of its acidity this is result in the indicator to change from blue to yellow. In the question, it is asked that what factors from the given option will cause yellow indictor to blue which means what factors cause the solution to be alkaline from acidic.
Placing the green water plants in the solution under a bright lamp will cause the is utilizing and remove present carbon dioxide in the solution and leads the to blue color from the yellow color of the solution.
Thus, this could be the answer.
The question is incomplete, however, the missing part is given as below:
A. Yeast cells and sugar are placed in the solution. B. Water plants in the solution are placed under a bright lamp. C. Algae are placed in the solution and left in a dark room. D. A person blows air into the solution through a straw.
To learn more about pH indicator click here:
brainly.com/question/16236741
#SPJ
Answer:
thats the wrong answer its the 3rd one
Explanation:
i took the exam
Answer:
The sound waves then travel toward a flexible, oval membrane at the end of the ear canal called the eardrum, or tympanic membrane.
Explanation:
The auricle (pinna) is the visible portion of the outer ear. It collects sound waves and channels them into the ear canal (external auditory meatus), where the sound is amplified.