d. it holds the cell in its proper position
The plant cell wall is one of the important parts of a plant cell. It is considered to be the protective layer or gear of a plant cell located outside the cell membrane which supports the cell's structure. It is the main factor that affects the plant's actual shape. It also helps in determining what elements can only come in the plant cell in order to control or to prevent the destruction or the damage of the cell or the plant itself. It serves as a gatekeeper or even a strainer that strains out harmful elements away from the cell.
They are both democracies. The United States is based off of ancient Rome. The United States however simplified lots of complicated things from the Roman government.
Answer:
Geography, demography, and law has a great contribution to America's economy.
Explanation:
The geography of United States of America has a huge contribution in the economy because geography of America is full of natural resources which is used as a raw material for making new products.
The United States of America is the third-most populous country in the world, with an estimated population of 330,746,845 which provides huge number of work force which contributes in the American's economy.
Economic policies also enhances the production of agriculture as well as industrial products which ultimately enhances the economy of the country.
The United States didn't want to stay behind, so it increased funding for its own space program in order to be more productive and launch more satellites.<span />
