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: Cells typically receive signals in chemical form via various signaling molecules. When a signaling molecule joins with an appropriate receptor on a cell surface, this binding triggers a chain of events that not only carries the signal to the cell interior, but amplifies it as well.
Explanation:
The Mediterranean sea stretches 2,400 miles East to West from the coast of the Middle - east to the Strait of Gibraltar.
The average width is 450 miles while the widest point is 990 miles.
The Mediterranean sea is a large body of saline water between Europe, North Africa and Asia. It is connected to the Atlantic ocean in the west via the Straight of Gibraltar.
The Mediterranean basin was home to some of the earliest human civilizations in history.
Answer:
b, c, and f
Explanation:
Since it is type A it will have antigen A on it's surface and only antigen A it will contain anti-B antibodies as that's the incorrect protein. These anti-B antibodies will cause agglutination with blood type B
