B. A solar cycle usually lasts 11 years.
Answer: Yes! you're all good. Alkali metals in group 1 are the most metallic :)
Answer:
The digestive system uses mechanical and chemical methods to break food down into nutrient molecules that can be absorbed into the blood. ... Some animals use intracellular digestion, where food is taken into cells by phagocytosis with digestive enzymes being secreted into the phagocytic vesicles.
Explanation:
It is clean and is blue when you take away air hope i helped.
