K Potassium Na Sodium most
Ca Calcium reactive
Mg Magnesium
Al Aluminium
Zn Zinc
Fe Iron
n Tin
Pb Lead
Cu Copper
Ag Silver
least
Au Gold
reactive
Pt Platinum
Which metal would most likely replace lead in a solution?
potassium
copper
silver
gold

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these