Answer:
scientists light the leak on fire
In humans, the placenta is essential to the embryo for RESPIRATION, NUTRITION AND EXCRETION.
The placenta refers to an organ in the uterus of pregnant mammals that is responsible for nourishing and maintaining the unborn baby through the umbilical cord. Th placenta has many functions but primarily it plays critical roles in the nutrition, respiration and excretion of the fetus. Its other functions include: production of hormones, production of immunity for the fetus for prevention from infections, etc. <span />
Answer:
documented these migrations
Explanation:
artists were crucial to painting and or writing what happened in the world, (and that answer on my test was correct) so, well, yea. have a nice day.
This statement is incomplete.
"All plants give out oxygen during day and carbon dioxide during night"
Explanation :
Photosynthesis occurs only during day time.
During this time oxygen is produced . Some oxygen is used for respiration and rest of oxygen is diffused out into air.
Carbon dioxide produced during day time by respiration is used in photosynthesis.
But at night time, no photosynthesis occurs and hence no oxygen is produced oxygen from air diffuses into leaves to carry out respiration and carbon dioxide produced by respiration diffuses out into air.
Hence Respiration occurs day and night .. Hence Carbon dioxide is emitted all the time....
Plz Mark Brainliest trying to reach expert
Answer:
D. 6 CO 2 , 6 H 2O , and sunlight
Explanation:
The reactant are the substances are going under a reaction. They are the "items" needed for a product to form. In which in this case, 6 CO 2 , 6 H 2O , and sunlight are needed to make C 6H 12O 6 + 6 O 2
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