Describe what is happening in each stage and what each stage looks like: prophase, prometaphase, metaphase, anaphase, telophase ,cytokinesis, also describe the purpose of mitosis.

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.

satellites are frequently used to make observations of the orbit on earth

well, since there is no answer choices, i will give an answer on how it works : )

the two objects are placed together. energy will always be transferred from the hotter object to the cooler object until they are equal. hope this is close to one of the answer choices : )