Answer:
(VEE-nuh KAY-vuh) A large vein that carries blood to the heart from other areas of the body. The vena cava has two parts: the superior vena cava and the inferior vena cava. The superior vena cava carries blood from the head, neck, arms, and chest.
The correct answer is (a )
This experiment shows that the life has evolved from the inorganic materials. The substances like carbon dioxide, nitrogen gas when heated and exposed to UV radiation led to generation of life supporting element called as amino acids. The UV radiation and heat provided the energy needed by gases to convert into amino acids.
If a HYPOTHESIS is wrong scientists come up with a conclusion, the hypothesis doesn't matter for the result. It is just an educated guess based on the results they expect our hope the achieve.
<span>Several types of relationship exist between living organisms in an ecosystem. When two different species of animals depend on the same king of food for survival, this type of relationship is called COMPETITION. In competition relationships, the fittest usually survival.</span><span />
Answer:
we'll use () to indicate the different boxes
( ) (r) (r)
(R) (Rr) (Rr)
(R) (Rr) (Rr)
You will have a 2 by 2 cell for your answer. One set of your test (rr) will go across the top as is shown and the other will be vertical (RR) as shown. Go down the line and put the letter you see at the top in each box and then do the same going across.
( ) (r) (r)
( ) (r) ( )
( ) (r) ( )
( ) (r) (r)
(R) (Rr) (R)
(R) (r) ( )
I tried to make this a comprehensible as possible but just draw your diagram and put the letters in the exact order as shown and then read this. It may make more sense that way.
Explanation:
