Two descriptions about physical quantities are given below:
Quantity A: It remains constant,
Quantity B: It depends on gravitational pull.
What quantities are these most likely describing?
Both Quantity A and Quantity B are mass.
Both Quantity A and Quantity B are weight.
Quantity A is weight and Quantity B is mass,
Quantity Ais mass and Quantity B is weight.

The graph shows the solubility of several different salts in water, across a range of temperatures. according to the graph, which salt can dissolve at a concentration of about 60 g/100 cm3 of water at 40 degrees celsius?

Can someone me with this and tell me what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses