H4x - pka1 =1.5
h3x 2- pka2 =3.6
h2x 3- pka3 =7.8
hx 4- pka4 =10.9
x 5- pka5 =11.5
8.67
5.45
13.45

What is the main reason why some developing countries fear the increase the free trade policies around the world?

What type of reaction fuels the processes seen here?

What if it is did darwin used to support his theory of evolution