The earth's___ is a source of fossil fuel

A. trees

B. land

C. water

Describe the role of electrons in the formation of a covalent bond

Latoya performs an experiment using the lab equipment shown. Which two properties is Latoya most likely measuring? mass and volume volume and temperature temperature and length length and mass

The repetitive rise and fall of precipitation amounts as the seasons change is what kind of data relationship? Cyclic Direct Indirect Non-related

What is one main reason we need water?

How does the cardiovascular (circulatory) system, respiratory system, and digestive system work?

Which effect is most likely caused by nondisjunction during meiosis? A. an extra chromosome B. an increase in nuclei C. increased survival benefits from traits D. only two types of nitrogenous bases

A segment of dna that codes for rna and a protein is a

For older adults and previously inactive individuals, exercise intensity should fall closer to what percentage of the maximal heart rate?

Colleen has been advised by her physician to avoid taking high-dose supplements of certain vitamins because they can accumulate to toxic levels in her body. which vitamins?

In 1865, a biologist, St. George Jackson Mivart, constructed an evolutionary tree of existing primate species with many branches based on analysis of spinal columns. But to his dismay, another tree based on limb comparison was quite different.