Controls at railroad crossings include:

a. Crossing gates

b. Flashing green lightsC. Crossing guardsD. Sirens

How many combinations for a protein that's 50 acids long?

Judy is looking for ways to start investing her money. This means that Judy is interested in: laying out money now to receive more money in the future. filling out legal payment for work she's completed.

Which statement about the relative astronomical size is true

What is the word that is used to describe the methnod of examining similarities and differences between two or more objects in a piece of work.

Motivation can be determined by what other people expect from you true or false

Amber is writing to an accountant that she would like to interview to gain information about the career field. What information should she include in her letter?

How do you survive high school

Can we know if we have a soul? What about other people or animals?

Many things happen when rain falls down. Explain what happens to rain as it falls on the surface of: concrete, water, and a slanted/sloped roof. Now, thing about an extra long rainy season.

A slow directional shift of the earth' axis that required 260.000! years to complete called