Answer:
rock that forms when melted rock (magma, lava) cools and hardens
Explanation:
Igneous rock, or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma or lava. The magma can be derived from partial melts of existing rocks in either a planet's mantle or crust.
Brainliest plz
<span>The answer to the question stated above is letter A. Cell Structure.
In the new 6-kingdom system of classification, like the old 5-kingdom system, organisms are basically grouped by</span><span> cell structure.
The new 6-kingdom system of classification includes the following:
</span>Animalia<span>, </span>Plantae<span>, </span>Fungi<span>, </span>Protista<span>, </span>Archaea/Archaeabacteria<span>, and </span>Bacteria/Eubacteria.
Answer:
Calcification, or mineralization, then occurs when hydroxyapatite crystals deposit in the bone matrix.
Explanation:
Calcification -
It is the situation of the accumulation of the salts of calcium in the tissues of the body , is known as Calcification .
This process usually occurs during the bone formation , but in abnormal condition the soft tissues of the body gets harden , leading to the situation of Calcification , it is also known as mineralization .
The crystal deposited are of hydroxyapatite in the bone matrix .
Answer:
the animals
Explanation:
the difference between animal life in the Mesozoic Era and the early Cenozoic Era is that in the Mesozoic Era the reptiles were dominate and in the Cenozoic Era the mammals were dominate.
