What are capillaries? Select one:

a.
blood cells that fight infection

b.
vessels through which nutrient and gas exchange take place

c.
chambers of the heart that pump blood throughout the body

d.
the liquid part of the blood that transports hormones

characterization of nanoparticles is a critical step in nanomaterial production as it provides information of dimension, morphology, surface charge, distribution and degree of surface functionalization.

all answers true and false

explanation:

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added