Answer:
????
Explanation:
None of those seem to be correct to me.
1. Observations are made using the five senses- sight, sound, touch, taste, and smell. So this is invalid.
2. Observations and experiments can both be done anywhere
3. See answer to 2
4. It's cut off? But observations can literally be as simple as looking at a stick and noting that it's brown, so from what I can read, it's invalid.
Atoms with a covalent bond
The spinal cord is in the backbone (aka spine). The spinal cord is part of the central nervous system
How I remember where the spinal cord is the root of the words spine and spinal cord is similar
Hope this helped!
~Just a girl in love with Shawn Mendes
"From the dog" is the prepositional phrase since it begins with the preposition "from" followed by the noun phrase "the dog" .