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

Author Question: Why didn't elements heavier than helium form in the first minutes of creation? A) When He-4 was ... (Read 90 times)

tfester

  • Hero Member
  • *****
  • Posts: 534
on: Jul 27, 2018
Why didn't elements heavier than helium form in the first minutes of creation?
 
  A) When He-4 was formed, the expansion cooled the cosmos below 100 million K.
  B) The first generation of stars used them up too quickly to observe them.
  C) The electrons slowed down enough to be captured into orbits by protons.
  D) There was not enough matter in the universe at that time.
  E) Only Type I supernovae can produce iron and heavier elements.

Question 2

Galileo's early telescopes revealed the four large moons of Jupiter, the rings of Saturn, and its large moon Titan.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Tabitha_2016

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

FALSE


tfester

  • Member
  • Posts: 534
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

anyusername12131

  • Member
  • Posts: 327
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i
A drug’s bioavailability will depend on the dosage form and how much will actual A drug’s bioavailability will depend on the dosage form and how much will actual
This photo shows a newborn baby minutes after birth. This photo shows a newborn baby minutes after birth.
The direct product of phosphate hydrolysis from PEP is the enol form of pyruvate The direct product of phosphate hydrolysis from PEP is the enol form of pyruvate
ELEMENTS OF ARCHITECTURE: Roman Vaulting ELEMENTS OF ARCHITECTURE: Roman Vaulting
Video: Introduction to Sickle Cell Anemia

For a complete list of videos, visit our video library