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

Author Question: Magmas with the highest percentages (> 65) of silica are called ____. A)mafic B)felsic ... (Read 106 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
on: Jul 13, 2018
Magmas with the highest percentages (> 65) of silica are called ____.
 A)mafic
 B)felsic
 C)intermediate
 D)ultramafic
 E)ultrafelsic

Question 2

Briefly explain how the phylogeny of an extinct group can be determined.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

parker125

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 13, 2018
Answer to Question 1

B

Answer to Question 2

If sufficient fossil material is available for a significant amount of geologic time, a group's evolutionary trend may be determined by changes in internal or external skeletal features.


roselinechinyere27m

  • Member
  • Posts: 557
Reply 2 on: Jul 13, 2018
Gracias!

dreamfighter72

  • Member
  • Posts: 355
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Cnidarians have specialized stinging cells called cnidocytes Cnidarians have specialized stinging cells called cnidocytes
The pancreas. This organ sits just below the stomach and is both an exocrine and an endocrine gland. The pancreas. This organ sits just below the stomach and is both an exocrine and an endocrine gland.
A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ... A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ...
The upper intake manifold, often called a plenum, attaches to the lower intake manifold. The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
Cancer cells can move to new locations in the body, a process called metastasis Cancer cells can move to new locations in the body, a process called metastasis
Video: Febrile Seizure

For a complete list of videos, visit our video library