Answer:
However
Explanation:
However is used because this portion of the sentence is referring to a completely new and unrelated subject.
I think it’s the measure the Heart Beat of an animals heart
Answer: A way of being
Explanation: hope this helps!
D - it wasn't your dog that barked. This one is correct as it uses the possessive form of you (your dog - the dog belongs to you)
The others are incorrect. A (should be Aunt Carment and ME) - B (should be MY brother David), C (should be Jack and HER)