Is radiation from the sun always harmful?

Answers

Answer 1

Answer: UV radiation from the sun has always played an important role in our environment helping plants grow so the answer is no, the radiation from the sun is not ALWAYS harmful.

Answer 2

Answer: Depends on how long you actually stay in the sun. The sun is actually a good source of vitamin D. But sunscreen with SPF 50 can reduce your risk of getting skin cancer.

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Help me, this is very confusing!!! :( :( :( :(Jamie drinks 4 glasses of water each day, is a strict vegan, exercise twice a week and lives in a town. For his age, he is very healthy. But when he is diagnosed with asthma, he looks back at his health record, and where he lived, and found he lived in the city for a year, and consumed to much water before going vegan. Your job... find out how he got asthma.

Answers

Jamie could of got asthma from the environment he lives in because he lives in the city were there cars and possibly factory that are giving off co2 or the other factors are the chemicals used it the food he ate before becoming a veagan and the chemicals used in the water plant that cleaned and made his water drink abule

Why do people need kidneys?

Answers

We need them so we can clean out our urinary system. when you go to the bathroom.

People need kidneys because the kidney filters the waste substance out of your blood and balances the levels of salt and water, when your body has taken the nutrients from food some of the of the waste products are sent back to your blood, so your kidney will filter continuously so that your blood will not contain the waste substances, in general your kidney is a "Filter/Cleaning Staion" for your blood, if you didn't have kidneys the waste products will build up in the blood and severely damage your body, the other functions that your kidney does is balance volume of fluids and minerals in your body. The substances that have been filtered form your kidney are mixed with water and are transformed into urine ( Pee ). Kidneys also produce Vitamin D and help regulate your blood pressure and the simulate the production of red bloods cells so in conclusion the importance of the kidney is very important.

During exercise, stored chemical energy is converted to energy that can be used for: A. muscle movement B. bone development C. ligament repair D. blood vessel dilation

Answers

Answer:

A. muscle movement

Explanation:

Because the stored energy is getting flowed through the body when the exercise starts and the energy goes to the parts or muscles of the body that are being used for example when you do curl ups your energy goes to your stomach area or your abs because they are getting stronger.

Answer:

A. muscle movement.

Explanation:

Took the test and got it right.

Have a nice day!

Fossil fuels are the compressed remains of ancient organisms like plants or dinosaurs. They cannot be recycled. Once they are used, they are gone. Which of these is a fossil fuel? A) corn B) coal C) timber D) sunshine

Answers

B coal is a fossil fuel

The Answer Is (B. Coal) Hope This Helps☺️

Autolysis is a process in which damaged or dying cells digest them self’s via reactions catalyzed by their own digestive enzymes due to rupture of a specific organelle. Which organelle do you think is involved in autolysis?

Answers

Answer: Lysosome

The organelle that undergoes with autolysis is the lysosome. They are specialized vesicle that contain different digestive enzymes that involved with various cell processes such as breaking down excess cell parts that beyond repair, process damaged or dying cells and recycle worn out cell parts.

Moreover, lysosomes maybe used to destroy invading bacteria and viruses by digesting it or undergo a self-destruct mechanism.

Which is a warning sign of quackery a. a product cost less than similar products

b.a product is said to contain common ingredients

c. claims for a product seem to good to be true

d. a product is recommended by a doctor

Answers

D D D D D D D D D D D D D D

Answer:

Explanation:

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