How are hydrogen bonds different from covalent bonds? a) the atoms in hydrogen bonds have valence electrons b) the compounds that result from hydrogen bonds contains carbon c)covalent bonds are organic d) hydrogen bonds are weaker than covalent bonds and form between partially charged atoms or molecules

The body is protected against harmful flu viruses by

Sarah is sitting at the top of the slide in the schools playground. which will increase sarah’s kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.