The correct minerals and vitamins for a pregnant are iron and folate. Iron generally should be supplemented, and folic acid supplements often are needed because folate is so important. Iron is used to make extra blood (haemoglobin) for the mother and the fetus. Folic acid helps prevent neural tube defects.
Explanation:
Environmental exposure to certain chemicals, ultraviolet radiation, or other external factors.
<span>There are _____ genes that determine blood type.
a. 2
b. 3
c. 4
d. 5
</span>
c
Answer:
A) Excretory
Explanation:
A good way to remember is Ex - like exit so it will leave the body.
Answer
Lower Mantle-under high pressure and nearly solid.
Lithosphere-contains the crust
Core-creates the Earth’s magnetic field
Asthenosphere-most deformable layer.
Explanation
The mantle is located below the crust and it occupies the largest volume of the Earth’s volume. The mantle behaves like a plastic and at high pressures and temperatures the rocks in the mantle deform
The lithosphere is the outer shell that contains the crust and upper mantle. The lithosphere is divided into the oceanic layer and the continental layer. It is bounded by the atmosphere and the Asthenosphere.