A) Manish and Revathi are making lemon Juice for themselves. Manish wants cold juice, so he adds sugar to cold water. Revathi adds the same amount of sugar but the water is at room temperature. In which case will the sugar dissolves faster and why? 1. Name the separation technique that can be used to separate sand from pebbles.
2. Explain the principle behind this separation method.​

(05.04 mc) the table below shows the set of traits in four different beetle populations. traits in population population traits 1 brown-colored beetles, pesticide-resistant gene present 2 green-colored beetles, pesticide-resistant gene absent 3 green and brown–colored beetles, pesticide-resistant gene absent 4 green and brown−colored beetles, pesticide-resistant gene present which population of beetles is most likely to become extinct when the existing conditions change? (4 points) select one: a. 1 b. 2 c. 3 d. 4