1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
son4ous [18]
3 years ago
7

What has caused most of the mass extinctions on earth?

Biology
1 answer:
Leto [7]3 years ago
5 0
Global warming/climate change
You might be interested in
A patient is to be administered a dose of 250 mg of a medication subcutaneously. available: 250 mg/1.5 ml amp. amount of drug to
Amiraneli [1.4K]

According to the question, the amount of the drug administered is 250 milligram (mg). The available dose of the drug is 250 mg per 1.5 mL (milligram). So, for the administration of the 250 mg drug, 1.5 mL of the available drug concentration should be used.

We need to determine the amount of the drug must be drawn in cc (cubic centimeter).

1mL = 1cc

As

1.5 mL = 1.5 cc

So, the amount to be drawn is 1.5 cc.


3 0
3 years ago
______Strands of DNA containing directions for making protein
murzikaleks [220]

Answer:

Each DNA sequence that contains instructions to make a protein is known as a gene. 

8 0
3 years ago
When an adult reproduces a child’s utterance as a semantically similar expression, but adds new information to model more comple
dem82 [27]

Answer:

<em>The correct option is A) recasting</em>

Explanation:

Recasting can be described as a method for teaching a language in which the instructor corrects the learner by repeating the error back in a corrected format. In this way, the learner recognizes where he made a mistake and tends to understand it.

Parents often use the technique of recasting to teach their children new complex words or to correct them if they speak any wrong word.

6 0
3 years ago
How do u tell the difference bettween variables
Leni [432]

to find the difference you need to determine which one is affected by the other one, and the one affected id the dependent variable and the other one should be the independent

7 0
3 years ago
evaluate whether having sickle cell disease would advantageous or disadvantageous to a person living in central africa
SVEN [57.7K]
<span>Sicle cell disease is disadvantageous in any continent. However in Central Africa ,where there is a lack of care for health and modernizaition, it will be too hard for a person to heal someone with sickle cell disease. The country is struggling with their sanity having a sickle cell disease will be difficult for them to find a donor who is healthy enough to donate blood.</span>
7 0
3 years ago
Other questions:
  • Infantile characteristics, such as _________, tend to be very appealing to humans and other species that invest heavily in the r
    7·1 answer
  • All glands in the body, such as salivary glands and the pancreas, are derived from which type of tissue
    11·1 answer
  • How are organelles in a cell like organs in a human body?
    11·1 answer
  • Define the following terms. Drag and drop the words into the appropriate blanks to complete the sentences.
    12·1 answer
  • Which of these correctly distinguishes mitosis from meiosis?
    14·2 answers
  • the _____ nervous system prepares the body to expend energy whereas the ____nervous system allows the body to restore and conser
    6·1 answer
  • Ian waterman was able to sense pain and temperature because his _____ pathway was intact, but could not feel touch and limb posi
    11·1 answer
  • If x+3/3 = y+2/2, then x/3 =
    7·1 answer
  • In what way are elements in the same column of the periodic table the same
    13·1 answer
  • How did Hutton influence on darwin
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!