Many nucleotides bind together to form a chain called a polynucleotide, and dNA strands are long polynucleotide chains. Given these facts, what is a DNA strand among the following options: - more abundant - Plant reproduction - keeping the dog warm - flow of electrons - Something to move - fertile - Polynucleotide - negative
Polynucleotide

(Question)
Cells vary in size as well as shape, but all cells are very small, and most cells are too small to be seen without a microscope. Given these facts, what vary in size as well as shape and cannot be seen without a microscope among the following options: - bushes - matter - cells - grains - sand - bones - apples - small
(Answer)
cells

Ques: Magnetism can cause objects to repel each other, and copper and aluminum are both attracted and repelled by magnets. Given these facts, what can attract copper among the following options: - photons - colors - Energy. - magnetism - flowers - hormones - Light - electrically
Ans: magnetism

(Q).
Uneven heating of the Earth 's surface cause wind, and winds destroy homes and businesses. Given these facts, uneven heating of the Earth's surface causes what to homes and businesses among the following options: - global warming - flooding - renewal - to move people - monetization - Greenhouse gases - filtration - destruction
(A).
destruction

Ques:Evolution is a change in the characteristics of living things over time, and an organism is a living thing. Given these facts, evolution is the change in characteristics of what over time among the following options: - gravity - animals - vegetation - h2o - density - organisms - alleles - humans

Ans:organisms

Ques:Earthworms are important deposit feeders that help form and enrich soil, and earthworms Earthworms are in the phylum Annelids. Given these facts, what do annelids enrich among the following options: - magma - seeds - soil - Energy - food - water - moss - roots

Ans:
soil