Fact 1: Many nucleotides bind together to form a chain called a polynucleotide. Fact 2: DNA strands are long polynucleotide chains. Given the two facts above, answer the question "What is a DNA strand?" with the following options: - more abundant - Plant reproduction - keeping the dog warm - flow of electrons - Something to move - fertile - Polynucleotide - negative
Polynucleotide

(Question)
Fact 1: Cells vary in size as well as shape, but all cells are very small. Fact 2: Most cells are too small to be seen without a microscope. Given the two facts above, answer the question "What vary in size as well as shape and cannot be seen without a microscope?" with the following options: - bushes - matter - cells - grains - sand - bones - apples - small
(Answer)
cells

Ques: Fact 1: Magnetism can cause objects to repel each other. Fact 2: Copper and aluminum are both attracted and repelled by magnets. Given the two facts above, answer the question "What can attract copper?" with the following options: - photons - colors - Energy. - magnetism - flowers - hormones - Light - electrically
Ans: magnetism

(Q).
Fact 1: Uneven heating of the Earth 's surface cause wind. Fact 2: Winds destroy homes and businesses. Given the two facts above, answer the question "Uneven heating of the Earth's surface causes what to homes and businesses?" with the following options: - global warming - flooding - renewal - to move people - monetization - Greenhouse gases - filtration - destruction
(A).
destruction

Ques:Fact 1: Evolution is a change in the characteristics of living things over time. Fact 2: An organism is a living thing. Given the two facts above, answer the question "evolution is the change in characteristics of what over time?" with the following options: - gravity - animals - vegetation - h2o - density - organisms - alleles - humans

Ans:organisms

Ques:Fact 1: Earthworms are important deposit feeders that help form and enrich soil. Fact 2: Earthworms Earthworms are in the phylum Annelids. Given the two facts above, answer the question "What do annelids enrich?" with the following options: - magma - seeds - soil - Energy - food - water - moss - roots

Ans:
soil