I need help plz (40 points) ___ earth's closest to the sun when it is in the summer in the

1, Southern Hemisphere
2. Northern Hemisphere
3. Western Hemisphere
4. Eastern Hemisphere

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Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean