What is a reasonable estimate of −3 4/5 + (−5.25) and the actual value? A. −3 + (−5) = 8; 8 1/20
B. −4 + (−5) = −9; − 9 1/20
C. −4 + (−5) = −1; − 8 9/20
D. 3 + (−5) = −8; − 8 1/20

d

Step-by-step explanation:

If a large cloud encounters a colder air mass, it tends to rise up in the sky. On the other hand, the cold air mass sinks toward the surface. This happens because temperature is a property that affects the density of substances. Colder substances are denser than warm substances.

Step-by-step explanation:

https://www.slader.com/discussion/question/what-might-happen-if-a-large-cloud-in-the-sky-suddenly-encountered-a-colder-air-mass-with-a-temperat/