Answer:
cesium
Explanation:
cesium has 0.79 electronegativity and barium has 0.89. All other element have electronegativity higher than that of barium
The imbalance in the regulation of the calcium in the blood of Randy is caused because of the abnormal parathyroid.
The parathyroid glands helps in maintaining the normal amounts of calcium and phosphorus by secreting the parathyroid hormone (PTH). The abnormality in this gland will lead to calcium imbalance.
The retina is the light-sensitive surface in the back of the eye
D, low sea levels caused the ice age.