¿Cuál es la idea principal del artículo? A
Detallar los nutrientes de las plantas hidroponicas
B
Describir las ventajas de un método de cultivo
С
Discutir los límites de la agricultura tradicional
D
Explicar la siembra de la lechuga hidroponica

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

What are the countries in south asia?

This is science by the way which of the following is an example of an environmental pressure a. the air pressure in the atmosphere b. a lake that is gradually running out of water c. a fight between two members of the same species d. breeding between two members of the same species