Areas with little rainfall tend to have basic soils, which have a high pH. Which of the following is an ion known to increase soil pH? A. Sodium B. Oxygen C. Sulfate D. Magnesium

Which experimental design decision would most likely produce invalid and unreliable results

Why is igneous rock often used for gravestones, counter tops and building facades?

Oxygen has an atomic number of 8. Therefore, it must have a. 8 protons b. 8 electrons c. 16 neutrons d. Only A and B are correct. e. A, B, and C are correct.

A biome consists of habitats and what else?

What is the limbo phase

What triggers pfiesteria change from a harmless algae feeder to a toxin producing fish killer?

Antibodies are made when animals detect a foreign antigen. All mammals carry albumin in their blood. How was a rabbit antibody against albumin created? Was this lethal to the rabbit? Explain you reasoning.

Why are there species instead of a continuum of various animals?

Reasons for attrition from exercise programs can be classified as a. internal and controllable b. external and controllable c. internal and uncontrollable d. external and uncontrollable e. none of the above

Which two inner planets have water in the form of ice?