Answer:
n stage 13, all four limb buds are present. In stage 13, the upper limb buds resemble flippers. In stage 23, the upper limb shows well-formed arm, elbow, wrist, and fingers. In stage 23, the lower limb shows well-formed toes, feet, and knees.
Explanation:
Answer:X-ray crystallography and NMR spectroscopy
Explanation:
A. True
variation of reproduction produces diverse life forms and allows organisms to evolve complex characteristics over billions of years.
Answer - The temperature and humidity are consistent at all altitudes.
Reason - Air mass is every where they adapt to a characteristic of above and below and any where. It's also identified by temperature and water vapor aka like evaporate tiny molecules.
I answered the two questions I hope they are right
