Answer:
aluminum: bauxite and corundum
Copper: chalcopyrite
Tin: Cassiterite
Explanation:
No, cells are very complex. They are composed of highly specialized organelles that each have different functions.
Answer:
Courtney is looking at Prokaryotic Cell.
Explanation:
Ok, when Courtney is observing the science experiment, and finds a cell that includes DNA and has a nucleoid region but does not have nucleus, it is a prokaryotic cell and only the single-celled organisms of the domains Bacteria and Archaea are classified as prokaryotes, where pro means before and kary means nucleus.
Let's explain what is a prokaryotic cell: prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid. And most prokaryotes have a cell wall outside the plasma membrane.
Because green house air is like carbon dioxide and is toxic for people to breathe in but they want to put it under an act that says it will cause u no harm
Kesav will Planting nitrogen-fixing crops, such as peas, in rotation with wheat crops can dramatically reduce the variability of farmers' income with a high-yield, high-protein harvest. ... Instead, they depend on the presence of nitrogen as ammonium or nitrate ions in the soil.