What stage of the developing embryo implants into the endometrium of the uterus?

What enzyme is most important for dna replication and why?

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water. b. they use chlorophyll and oxygen to make carbon dioxide and water. c. they use sunlight, water, and carbon dioxide to make sugars. d. they use sunlight, water, and oxygen to make chlorophyll.

Climate like that in the sahara desert have the fastest rates of weathering