Answer:
Explanation:
fur and milk
A duck billed platypus is classified as a mammal because it feeds its kids with milk and it has fur. They are very unsual because of the way they dig dirt burrows at the water's edge and how they dont have a stomach
Answer: The DNA double helix is held together by two types of bonds,
covalent and hydrogen.
Explanation: Covalent bonds occur within each linear strand and strongly
bonds the bases, sugar and phosphate groups.
A degree of longitude at the equator is equal to 111.32km
Really isnt that hard you just have to write both definitions for both words