Answer:
D.
Explanation:
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Answer:
Photosynthesis is an endothermic reaction because sunlight energy is absorbed during the process of photosynthesis by the plants. Photosynthesis is the process through which plants convert light energy into chemical energy. Here is the chemical reaction involved: As we can see, water and carbon dioxide combine to form glucose and oxygen. Since new chemical species are formed, photosynthesis is clearly a chemical change.
Explanation:
The answer is A because a interjection is a abrupt remark, mainly made as an interruption.
The preposition in the given sentence "Gracie and Helen had not seen each other for 50 years" is 'for'.
<h3>What is a preposition?</h3>
A preposition is a word or phrase that appears before a noun, pronoun, or noun phrase to indicate direction, time, place, location, spatial relationships, or to introduce an object.
Prepositions include words like "in," "at," "on," "of," "to", etc.
Thus, the preposition in the given sentence "Gracie and Helen had not seen each other for 50 years" is 'for'.
For more details regarding preposition, visit:
brainly.com/question/4956879
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