Rajiv investigates the water content of some soils. here is his method .
Rajiv
1. measures the mass of an evaporating dish
2. adds 20g of soil into a drying oven for 24 hours
3. measures the new mass of the dish and the soil
4. does this with four more different soil
WHAT apparatus does Rajiv use to measure the mass of the soil and dish

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water