Alkaline earth metals
Group 13 aka the boron family is categorized as alkaline earth metals
The answer would be <span>thunderstorms.
From what i can see from that picture it seems to me that it's filled with a lot of dark clouds. Because of that, it can mean that it's going to rain a lot or cause a thunderstorm. The option"</span><span>heavy rain or snow" it's not right because when it snows, there are no dark clouds.</span>
Answer: Eukaryotic organisms, such as algae, fungi, and higher plants, have multilayered cell walls composed in large part of either cellulose or chitin . ... Cellulose microfibrils form the scaffold of all plant cell walls. brainliest?
Explanation:
The value sign(x) equals −1, 0, or 1 depending upon whether the value x is negative, zero, or positive. Sometimes this is written as sgn(x) as is the case h
El signo de valor (x) es igual a -1, 0 o 1, dependiendo de si el valor x es negativo, cero o positivo. A veces esto se escribe como sgn (x) como es el caso h
