Orange trees reproduce through sexual reproduction. What can be known about orange tree reproduction? A. Sperm and eggs form zygotes. B. Budding is involved. C. Vegetative propagation forms zygotes. D. Spores are involved.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?

Calculate the molarity of each aqueous solution: a. 78.0 ml of 0.240 m naoh diluted to 0.250 l with water b. 38.5 ml of 1.2 m hno3 diluted to 0.130 l with water

Which of the following reasons best explains why a scientist would want to replicate gregor mendel's pea plant experiment? a. to discover new aspects of the natural world b. to test the predictions of current theories c. to explain recently observed phenomena d. to test the conclusions of prior investigations