Which part of a tree always grows down because of gravity?

a. the roots

b. the trunk

c. the leaves

d. the branches

What is a breakdown of a compound into simpler subatances is called thermal what

What is the mass of a 3.00cm3 piece of gold having a density of 19.3 g/cm3?

Which of the following is a true statement? Chemical changes are not ever useful. A chemical change changes only the size of the matter. A chemical change makes different matter from old matter. An ice cube melting is a chemical change.

What property of carbon gives it the ability to form many different biological macromolecules, and why is this so important to life?

What should I do for science fair this year?

Be sure to answer all parts. Enter your answers in scientific notation. The following values are the only allowable energy levels of a hypothetical one-electron atom: E6 = - 2.0*10-19 J E5 = - 7.0*10-19 J E4 = - 11.0*10-19 J E3 = - 15.

In which process are the products right side of the equation that comes out of the reaction, of the reaction glucose and oxygen?

Given example of the model used in science that is larger than the real object and an example of a model that is smaller than the real object

How to knof if d orbital is paramagnetic?

Sedimentary rocks may form far away from where the sediments formed. what two processes bring sediments to a new location