Which of the following statements is true? The equator is warmer than the poles because the sun's energy is spread over a smaller area. The more sunspots on the sun's surface, the cooler the earth's climate. Wind is caused by warm air from the equator sinking and moving away from the poles. As latitude North and South of the equator decreases, average temperature decreases. I will reward brainliest.

Stage in which a typical star has completely stopped fusion

Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]

How many moles of oxygen gas are produced from the decomposition of six moles of potassium