Answer:B. CO2
Explanation: It is B because it has both letters capitalized if it is a compound and it only has 1 letter capitalized if it is an element.
Answer: shelter
Explanation:
Producers make food for the rest of the ecosystem through the process of photosynthesis, where the energy of the sun is used to convert carbon dioxide and water into glucose.
Explanation:
The answer is halogens
Halogens are reactive non metallic elements that form strongly acidic compounds with Hydrogen to form simple salts
I think the correct answer is d
Answer:
It is a chemical change
Explanation:
Fat is a triglyceride. Triglycerides form soap when they come into contact with sodium hydroxide.
Now, we know that a chemical change is one in which a new substance is formed and it is not easily reversible. Heat is also given out or absorbed in the process.
Now the combination of sodium hydroxide and fat yields a new substance called soap. The appearance of the new substance conclusively proves that a chemical change has taken place.