Answer it’s the left ventricle
The papillary muscle is in the left ventricle if the arrow is looking for more specific
Reason
See attached picture
Cells is a basic unit of life
Organelles exist within cells, which exist within tissues. Communities exist within ecosystems, which exist in the biosphere.
D. because White paper reflects all of the light that hits it. Whatever color that light is, the paper appears to be that color, since paper of that color would reflect only that color if white light was shone on it. That is, blue paper reflects the same color when white light is shone on it as white paper does when blue is shone on it.
The correct answer is: marsupials.
Marsupials are actually defined by their ability to hold the young in the pouches, where they can be well protected. Some examples are Kangaroos and Koalas.
Other answers are wrong: for example, gymnosperms are plants, not animals.
