B, immense pressure causes the core to be very compacted and solid.
The sunlight provides energy for the plants to grow. <span>Since it is a closed system, no water would be lost, so it is not necessary to add extra water. </span>
The question is not complete, but luckily I could sneak the options.
The answer would be stomata allow plants to obtain certain minerals from the ground.
Hemoglobin SS and sickle beta zero thalassemia are the most severe forms of sickle-cell disease and are sometimes referred to as sickle cell anemia. Hemoglobin SC disease is considered moderate and in general, sickle beta plus thalassemia is the mildest form of sickle-cell disease.
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