A scientist places four identical cells into four different liquids, each with different concentrations of magnesium. CellDescription of LiquidResult W Slightly more magnesium than the cellTook in magnesium XThe least amount of magnesiumTook in magnesium YSlightly less magnesium than the cellTook in magnesium ZThe most amount of magnesiumTook in magnesium Which shows evidence of active transport?

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

the correct answer is - d. china has a large and growing population.

the fact that china has a large (the biggest) population, and it is still growing, doesn't hinder the agriculture production in the country. in fact, it can for increased production in the agriculture, since there's more labor force, as well the sheer mass of people produces lots of scientists that come up with new inventions as to how to improve this sector. nice example is the inner mongolia region in china, in general dominated by the gobi desert, but few scientist came up with a nice idea as to how to make the region productive by using plants that are very resistant to droughts, so lots of people have been employed, and the region is becoming greener and greener each year, and the production of food in this region is also increasing.

examples of nucleic acids are deoxyribonucleic acid (dna) and ribonucleic acid (rna).