B) was is used and there was nobody at that time affirms the situation
Answer:
The word 'that' is a common word in English that is used in many different manners. Did you notice the use of 'that' in the first sentence? In this case, 'that' was used as a relative pronoun as a compliment. Often 'that' can be used or left out of a sentence entirely.
The word and term 'it' can be used for either a subject or an object in a sentence and can describe any physical or psychological subject and/or object. The genitive form its has been used to refer to human babies and animals
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: