Why do snakes shed their skin?

Which of the following statements is true? 1. Cooling magma is slowing adding land to the continents. 2. Convection currents in the mantle keep crustal plates moving. 3. The oceanic plate is made mostly of granite and limestone. 4.

Based on your research from question 2, develop an if-then hypothesis relating to the effect of pollution on yeast respiration.

Which of the following substances contain nucleotides made up of a sugar, phosphate, and a nitrogen base? Question 2 options: DNA RNA Both DNA and RNA Neither DNA nor RNA

The population of eukaryotic, heterotrophic organisms found near the surface of the ocean is called

La cantidad de sangre de una persona es igual a la de otra

What is it called when a person is in a state of deep unconsciousness from which he or she cannot be aroused?

To offset high levels of carbon dioxide which of the following is the most viable option? A. pump oxygen in using oxygen tanks B. include indoor plants C. take shorter or less breathes D. keep windows and doors closed

Steam power plants produce a large amount of extra steam. That steam is released as heat energy into the water surrounding the power plant.

Depending on the organism, the number of in a cell may change.

Complex organisms develop specialized tissues as a direct result of which of the following processes?