Answer:
The kidneys take of up more Ca2+ and release vitamin D. The bones release Ca2+. The intestines increase reabsorption of Ca2+.
Answer:
true
Explanation:
Daylight hours are shortest in each hemispheres winter. between summer and Winter Solstice, the number of daylight hours decreases, and the rate of decrease is larger the higher latitude. the fewer sunlight hours the colder the nights.
Answer: 2 electrons
Explanation:
The inner shell (1st shell) can hold 2 electrons, the next shell can hold 8 electrons and the third shell can hold 18 electrons.
Your answer would be D, Photosynthesis
Hope this helps!
Answer:
None of these two
Explanation:
An unsaturated fatty acid must contain a double bond in the poly carbon chain other than the double bond in the functional group. In these two, images there exists a double bond in the carboxylic group i.e –COOH.
Since none of them have double bond in long poly carbon chain, therefore these two fatty acids cannot be considered as unsaturated fatty acid.
