I NEED HELP ASAP!!! For this structural characteristic, decide if it is a characteristic of ​ DNA , a characteristic of ​ RNA ​, a characteristic of both DNA and ​ RNA ​, or a characteristic of neither DNA nor RNA ​.

It is usually a single string of nucleotides.

RNA ​

both DNA and ​ RNA ​

neither DNA nor ​ RNA ​

DNA

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

Rocks, as they are compressed, begin forming mountains above the earth's surface when two continental plates converge. the continental crust increases in depth as the mountains grow above. the himalayan mountains formed at a convergent plate boundary in this manner. the rocks are smashed together causing them to due to the intense heat and pressure from the colliding plates and eventually forming rock. a) melt; igneous b) layer; sedimentary c) recrystallize; metamorphic d) melt into the earth's interior; metamorphic