This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Sunscreens contain chemicals that A) absorb both UV-A and UV-B rays. B) absorb neither UV-A nor ... (Read 92 times)

Collmarie

  • Hero Member
  • *****
  • Posts: 569
on: Aug 27, 2018
Sunscreens contain chemicals that
 
  A) absorb both UV-A and UV-B rays.
  B) absorb neither UV-A nor UV-B rays.
  C) inhibit melanin production in the skin.
  D) promote melanin production in skin.

Question 2

All of the following are known to be forms of ionizing radiation EXCEPT
 
  A) radio waves.
  B) gamma rays.
  C) ultraviolet radiation.
  D) X-rays.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nixon_s

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

A


Collmarie

  • Member
  • Posts: 569
Reply 2 on: Aug 27, 2018
Gracias!

Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Defences against herbivory. Plants possess an array of unusual and powerful chemicals, including Defences against herbivory. Plants possess an array of unusual and powerful chemicals, including
X Rays Generated by Accretion of Matter Near a Black Hole X Rays Generated by Accretion of Matter Near a Black Hole
The frontal sinus, an airfilled space just behind the brow, is a unique size and shape in each of us The frontal sinus, an airfilled space just behind the brow, is a unique size and shape in each of us
Schematic drawing of a permeation test cell used to measure the permeation rate of chemicals through ... Schematic drawing of a permeation test cell used to measure the permeation rate of chemicals through ...
Silver Halide Reaction in X-Rays Silver Halide Reaction in X-Rays
Diffusion of sun rays Diffusion of sun rays
Video: Asthma Treatment

For a complete list of videos, visit our video library