6. The choose the answer that is correct about the Earth's mantle. made of rocky materials and water
made mostly of iron and nickel
O made of the same rocky materials as the crust
O made of magnesium, iron, and calcium

Why does the skin of your finger shrink when you wash clothes for a long time?

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

Drag each tile to the correct box. arrange the phases of mitosis in the correct order. 1 (condensation of chromosomes) 2 (separation of chromosomes) 3 (formation of spindle fibers) 4 (alignment of chromosomes in the center of the cell) 5 (pinching of the cell membrane)