What are different parts of an ecosystem

Which of following statements is true about scientific knowledge? Scientific ideas are not subject to change, so scientific knowledge stays the same. Scientific knowledge is constantly evolving as new observations are made.

What describes the current model of the atom? Select one: A. That electrons and protons move randomly around a nucleus. B. Electrons travel as waves in the electron cloud that surrounds the nucleus. C.

A bag filled with gas is more effective at preventing injuries in a car accident than a bag filled with water because___.

A college student driving to classes produces 8000 kg of carbon dioxide (CO2) in a year, contributing to global warming. What volume of CO2 is produced? (The density of carbon dioxide is 2.0 g/L.)

how long was all the matter in the universe theorized to be compressed into a minuscule scalding mass?

A can of soda is 335ml what is 2 cans of soda in ml

Compound X has the molecular formula C3H6, and Compound Y has the molecular formula C6H12. How are the two compounds related? A. They are made of the same elements, but are different compounds B.

Write a generic Lewis structure for the halogens. Draw the Lewis dot structure for X

Choose the correct statement about an atomic nucleus, compared to an atom as a whole. Choose the correct statement about an atomic nucleus, compared to an atom as a whole. The nucleus is very tiny but has most of the mass.

Four waves are produced when a harp is strummed at four different times. Which wave will produce the highest pitch?