<span>Like the sporophytes of seed plants, those of ferns consist of stems, leaves androots. Stems: Fern stems are often referred to as "rhizomes", even though they grow underground only in some of the species.</span>
Oxygen entered the Earth's atmosphere after the appearance of the Great Oxidation Event (Great Oxygenation Event). The Great Oxidation is the first mass extinction on Earth.
The Great Oxidation lasted 2.4 to 2.0 billion years ago.
Oxygen appeared on Earth thanks to cyanobacteria using photosynthesis.
Pretty much but enjoy life while you have it because you never know when your time to leave may come
Answer:cuboidal epithelial cell
Explanation:as it is wide as they are tall,are cubed shaped they are usually found in lining glands where they secret substance
In the textbook its called a convergent boundary
