Is a hotdog a sandwich

No

Explanation:

1

says...''According to Merriam-Webster, a sandwich is "two or more slices of bread or a split roll having a filling in between." By that definition, hot dogs seem to qualify as sandwiches.''

Explanation:

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.