Which of the following is best described as a synthesis reaction? (2 points) 2hgo → 2hg + o2 agno3 + nacl → agcl + nano3 hcl + nahco3 → h2o + co2 + nacl 2na + cl2 → 2nacl

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

The slope of a velocity time graph over any interval of time gives the during that interval

(**i would really appreciate if this was answered soon** ) which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?