Air masses are like the surface they form over. The air

mass shown above formed over land in northern Canada. Therefore the air mass will be

A study was done to see whether a smaller dose of flu vaccine could be used successfully. in this study, the usual amount of vaccine was injected into half the patients, and the other half of the patients had only a small amount of vaccine injected.

Why is the tomato considered a vegetable?

Which are come of the advantages of body segmentation? a. The body plan can be easily repeated b. Segments can become specialized on a particular function c. The animal can develop bilateral symmetry d.

1. Why are cancer cells or abnormal cells used in tissue cultures even when researchers are not studying-cancer

What is the wet-bulb depression?

Explain why having only one ventricle makes the circulatory system less efficient than having two ventricles.

What type of bond is shown below, where electrons are shared between the bonded atoms? A) covalent bond B) ionic bond Eliminate C) hydrogen bond D) cellular bond

Photosynthesis is an example of A. an exothermic reaction. B. an endothermic reaction. C. a reaction that gives off heat. D. a reaction that emits energy.

A sedimentary rock is found to be 300 million years old. Which type of organism is NOT likely to be found in the rock? a) insects b) mammals c) fish d) land plants

James is making models of plant and animal cells using objects supplied by his teacher to represent organelles. For one cell, he will place the objects in a shoebox. First he fills a balloon with water and places it in the shoe box.