Humans have emotions and free will; robots do not.
Answer: The 3.9 billion year old rock has undergone three half-lives (3.9 divided by 1.3 = 3). After 3 half-lives, 12.5% of the potassium-40 remains undecayed.
Answer: According to the first law of thermodynamics, energy can be transferred from place to place or changed between different forms, but it cannot be created or destroyed. For instance, light bulbs transform electrical energy into light energy, and gas stoves transform chemical energy from natural gas into heat energy.
Explanation:
Answer:
A. Where does sugar enter the blood?
After eating food, in the intestine the glucosa is absorbed by an SGLT1 cotransporter who releases it to the bloodstream.
B. How can you tell where sugar enters the blood?
Making an analysis of its high concentration in the epithelial cells of the intestine
C. Where is sugar removed from the blood?
After traveling through the blood flow, the sugar enters the cells of the body that require it, for example, muscle cells. Excess glucose in the blood is removed by the kidney through urine.
D. How can you tell?
The filtration of glucose by the kidneys can be verified by an analysis of their co-concentrations in these renal cells and Medical tests of the urine sample.
The polar bears are going to fight for the different resources that will become limited in their environment