While at an amusement park, you inhale helium from a balloon to make your voice higher pitched. a friend says that helium reacts with and tightens the vocal cords to make your voice have the higher pitch. could he be correct? why or why not?

Give an example of each non-mendelian mode of inheritance.

Which statement is a scientific theory?

The table below gives air temperature data over land and over the sea for six successive hours labeled A through F. What weather event is occurring around time D? Land (°F) 73.1 Time Time A Time B Time C Time D Time E Time F 71.4 69.7 Sea (°F) 70.

When studying heredity, what is the relationship between dna bases and traits

Why is chemistry important in the study of biology? 1-The body is composed of chemical elements. 2-Chemical reactions occur in the body. 3 - Chemistry studies matter and energy. 4 - all of the above

What is an alternative exercise for the hanging leg raise

What type of assay was used to measure plasma glucose and ketone levels?

Which micro-organisms are used to make bread soft and fluffy? Briefly describe how this happens.

If you look at a fish while swimming underwater with a swim mask on, does the fish appear closer or farther than it really is

What is the World Distribution of the Temperate grasslands?