Biofuels - which are produced using agricultural crops like corn offer an alternative fuel source for combustion engines ( like the ones found in cars and trucks) which of the following is a cost associated with switching to biofuels? A. agricultural crops can lead to a decrease in the ability of those crowds for food
B. using agricultural crops can lead to an increased revenue for local farmers
C .biofuels can reduce the carbon dioxide released into the atmosphere.
D. biofuels can lead to a decrease in the occurrence of oil spilled the water ways​

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.

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.

you can have just about every answer you can think of