In the scientific method first of all is you need to identify the problem, the problem to your question is why does the dog circle its bed before lying down. Second is the observation to gather some data, you need to observe the dog if what could be the possibility the the dog may do that action. The third is the pre hypothesis, you need to came up with an idea why does the dog do such and action for example the needs to find a correct spot to make itself comfortable and lastly the hypothesis, this should answer to your question or your problem. So my hypothesis is that dogs are one of the animals that are those difficult to find a place to sleep and some of that kind of animals are cat, before they lay on their bed, they have to circle to find a spot that could fit its body to be more comfortable when the dog sleep
Answer:
oxygen from reaching your tissues and organs.
Explanation:
Carbon Monoxide is very dangerous to us and many other animals. It is a flamable gas that is bad for our blood cells. When we breath it in and it gets put into out blood, it cannot be used as a substitution for air, and you will suffocate.
...I think.
Answer:
They typically have a tough, spiny surface, which inspired their name (in Greek, echinos means “spiny” and derma means “skin”). They also have the unusual ability to regrow lost body parts, and sea stars and brittle stars can regrow arms if broken off or eaten
Explanation:
Identify the anatomical features of a bone
Define and list examples of bone markings
Describe the histology of bone tissue
Compare and contrast compact and spongy bone
Identify the structures that compose compact and spongy bone
Describe how bones are nourished and innervated
