Answer:The Law of Conservation of Mass states that mass is conserved in physical and chemical changes. Students explore this concept by taking initial masses, making predictions, and finding final masses of physical and chemical changes. Students observe water changing from ice to a liquid, a piece of cardboard being cut up, salt dissolving in water, Alka-Seltzer reacting in water, and water's physical property of cohesiveness being disrupted by soap.
Explanation:
Bacteria, a prokaryote, has circular DNA, as do mitochondria and chloroplasts. This provides support for the Endosymbiotic Theory, which states that the mitochondria and chloroplast in eukaryotic cells were once aerobic bacteria (prokaryote) that were ingested by a large anaerobic bacteria (prokaryote).
Answer: option c a green stem without bark
Explanation: herbecious plants are usually called non Woody plant. They hve green stem and they usually have underground root.that help them take up water and nutrients from deep in the soil. They are mostly grassess and ferns. Their stem is usually soft because its body contains cellulose that makes them to be flexible. They grow very fast and have a lot of seeds.
