A prokaryotic cell does NOT have a membrane. Eukaryotic does on the other hand. A great example of a Prokaryotic cell is bacteria.
The doppler effect, when used with light, produces a shift of frequencies to red. Well, no matter which direction you look, there is a shift to red! That means that the universe is expanding or moving away from us in every direction. The idea, is that this could only happen if all matter was once in a single point, and there was an explosion. This explosion from a single point is called the big bang theory.
A nebula is a cloud of gases that can coagulate to become a new star.
The right answer is cellulose
Cellulose is a carbohydrate consisting of a linear chain of D-glucose molecules (between 15 and 15,000). This biopolymer is the main constituent of the plant cell wall, including wood (which is also characterized by a high lignin content).
Pectin is also the structure of plant cells, but they are heteropolysaccharides.
Household used batteries should be disposed off carefully. So that the toxic chemical contents present in it do not add to environmental pollution.
Explanation:
- Burning the batteries in Incinerator can be harmful as it may be pollute the environment due to hazardous and toxic elements present in the batteries.
- Lithium batteries needs to be carefully packed and taping it shut very well so that they don't cause fire while transporting and recycling
- Mrs. King should buy a battery charger and recharge all of the used batteries so that they can be re-used. All rechargeable batteries can be recycled as well.
- Certain home department or office supply stores accept these products for recycling.