Question

2. The temperature was -3°C in the morning and rose by 10°C by noon. What was the temperature at noon?
3. The day time temperature on Mercury can reach 430°C. The night time temperature can drop to -180°C.
How much can the temperature change during one day?
4. The lowest point of the Japanese Trench in the Pacific Ocean is -10,372 m. The lowest point of the Puerto
Rico Trench, in the Atlantic Ocean, is 1,172 m higher. What is the depth of the Puerto Rico Trench?
(a) -9,200 m
(b) 8,200 cm
(c)-1,172 cm
(d) -11,544 cm
5. A submarine at -250 m dives to a depth of 6 times its initial depth. To what depth does the submarine dive?
(a) -256 m
(b) -244 m
(c) -1,500 m
(d) -5,000 cm​

Answer 1

Answer:

2. 13°C

3.the temperature can change up to 610°C

4.d)-11544m(the unit should be metre here).

5.c)-1500m

Answer 2

Answer:

temperature in the morning= -3°c

temperature of rose by= 10°c

temperature by noon=-3°c+10°c

=7°c answer