Answer:
I think the answer would be to to write observations about what the sky looks like or to count the number of visible stars in the sky.
Answer:
alternating sugar and phosphate
Explanation:
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The dog's reflection on the water's surface is because of light rays reflecting off the dog and onto the water to create a mirror image.
Answer:
Skeletal system
Explanation:
the bones of the skeleton protect the internal organs and reduce the risk of injury on impact. For example, the cranium protects the brain, the ribs offer protection to the heart and lungs, the vertebrae protect the spinal cord and the pelvis offers protection to the sensitive reproductive organs.