Inert properties
<span>Nitrogen is used to protect steel from water because it has inert properties that make it a good blanketing gas.</span>
Answer:
a
Explanation:
Density is a physical property.
<span>Food couldn’t reach the stomach without the esophagus and the throat.</span>
Not every plant grows from a seed. Some plants, like ferns and mosses, grow from spores. Other plants use asexual vegetative reproduction and grow new plants from rhizomes or tubers. We can also use techniques like grafting or take cuttings to make new plants.
