They are called compounds
Your answer would be D) Carbon dioxide
Hope this helps :)
the northern region body of water
I think it's (c). Evidence suggests they were the first plants
Explanation
Evidence shows that plants evolved from freshwater green algae, a protist
There's similarities between green algae and plants .both plants and green algae contain the same form of chlorophyll.
but land plant are multicellular and autotrophic
Answer:
I) Hypothyroidism involves the insufficient production of thyroid in the thyroid gland which helps in the development of individuals. The element Iodine enhances the production of the thyroid.
I2- Iodine - Group number 17
Hypertension - Too much Salt which contains sodium in foods causes hypertension.
Na- Sodium- Group number 1
Bones require Calcium for its proper development and also helps to strengthen it.
Calcium - Ca- Group number 2
Kidney - Excess sodium in kidneys could result to kidney diseases which is why plenty of water should be taken to help the kidney from this element.
Na- Sodium- Group number 1