Answer: The definition of concave is to be curved inward. ... At the location of the fracture, we see the skull is curved inward, so we would say the skull is concave. Some other examples would be a dented can or car bumper. Whenever an object is curved inward, we say the object is concave.
<span>This process is called the mitotic spindle
which begins to develop during the prophase. The reason why chromosomes must
line up on the cell equator before cell division is “<span>to enable the microtubules to attach to the
kinetochores properly”. The microtubules then form the network that will
later pull the duplicated chromosomes separately.
Answer: </span></span>to enable the microtubules to attach to the kinetochores properly
Acid rain is a more serious problem on the East Coast.
I think it's A , and i find D doesn't make sense ..
