Two students are comparing scientific experiments to investigations. They came up with the following ideas. Student A Testing plant growth n different types of soils. Student B Comparing water level in lake during different times of year. which is a scientific experiment?

Blood, made up of red and white blood cells, work together to form

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?