What are the five ways to prevent tooth decay and gum disease?

A magnifying glass is an example of which type of microscope? electron microscope scanning microscope compound light microscope simple microscope

Which nucleotide is in RNA but not in DNA? A. thymine B. adenine C. cystosine D. guanine E. uracil

How do nitrates get into the surface water

Many of the organisms living today have not been identified because they are

This is a widely used nonrenewable resource that is formed over millions of years. a. wood b. water c. oil d. sand

Describe how females can be carriers, but males cannot in terms of sex linked traits

When objects of two different temperatures come into contact, energy is transferred between the two objects from the object of higher temperature to the object of lower temperature. True False

When a dog salivates after having food placed in its mouth the food is called the?

A train accelerates at a rate of 2.5 km/hr/sec. During the acceleration period, its velocity changes by 55 km/hr. Choose the exact time of the train's acceleration. A. 1,200 s B. 22 hr C. 22 s D. 0.045 s

Why did Mendel use cross-pollination in his experiments? A) to speed up self-pollination b) to control which plants pollinated other plants c) to make sure dominant factors were always produced