The
La Brea Tar Pits are filled with asphalt. They are a group of tar
pits. There is natural asphalt that has seeped up from the ground for
tens of thousands of years. This is where many remains of prehistoric
creatures were found. This animals got stuck in this pools of
asphalt.
Answer:
C. Filled with asphalt
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Answer:
Biosphere comprises all the living components of the Earth. It also includes organic matter that has not yet decayed.
Explanation:
A theory known as the ecosystem better explains the interaction of the biosphere with the other spheres.
Water is warm by the sun which gives ofc heat
The pores on the outer layer of the sponge which takes is water are called POROCYTES.
Sponges are groups of very simple animals which usually grow at a spot, that is, they lack the ability to move from one place to another. There are about 10,000 species of sponges; most sponges live in salt water while some live in fresh water. The body surface of sponges are made up of holes through which water enter into their cells.
Answer:
The blood returns to the heart through veins.
Explanation:
Blood returns to the heart from the body through the Vena Cava and from the lungs through the Pulmonary Vein . So mainly blood returns to the heart through Veins.
hope this helped!
