Several pigments were isolated from blueberry leaves using the procedure that you performed for the isolation of plant pigments. Each purified pigment was characterized by spectrophotometry. Use figures E8.3 and E8.4 to identify each unknown below. (i) Unknown 1 in diethyl ether: absorption maxima at 410, 428, and 660 nm. (ii) Unknown 2 in diethyl ether: absorption maxima at 450 and 480 nm. (iii) Unknown 3 in diethyl ether: absorption maxima at 430, 455, and 650 nm.

a

explanation:

spiders belong to a group of arachnids.

arachnids have the following traits :

they have two body parts.

they have eight legs unlike insects which have 6 legs.

they have no wings.

these traits distinguish them from insects.

the information that antonio is doubting us the statement that spiders differences are as a result of being first to evolve.

this is because the evolution of one species is independent of the other species.

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

the correct answer is 2 and 4