Answer:
1st is correct
Explanation:
At its simplest, a dog's digestive system is a long tunnel that runs from their mouth to the anus. Food goes in at the mouth and travels through this tube and at various stages is broken down and either absorbed into the body or excreted as waste at the anus.
<span>Before an eruption, scientists look for gases and changes in the volcanoes shape, before an eruption the number and intensity of small earthquakes increases, this is caused by the movement of magma, prior to the eruption. Magma forms in the mantle and is a result of high temperature and low pressure.</span>
Answer:
Epithelial cells,Muscle Cells
muscular, skeletal organs
epithelial, connective tissue
circulatory system organ system
was it helpful?
Explanation:
Its C. W<span>hen rust forms on iron, the iron atoms combine with oxygen atoms in the air to form a new substance that is made of both iron and oxygen. Hope this helps!</span>
