Which of the following amendments might you choose to improve the overall quality of the soil in the following scenario? The soil in a garden is loamy, with a high organic content. On testing, the soil is sour, with a low pH of 4. You wish to grow lilacs, which
prefer a more alkaline soil.

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

50% lit on the left side

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.