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
Alik [6]
4 years ago
5

Com o objetivo de testa a eficácia de uma nova vacina contra a doeça chamada febre afetosa vacinoi-se um late de 20 vacas deixan

do outras 20 sem vacina . Após algum tempo, injetou-se em todos as vacos o virus causador da febre aftosa o lote não vacinado constitui
Biology
1 answer:
Marysya12 [62]4 years ago
7 0
0 por que todo mundo recebeu a vacina
You might be interested in
Which of the following explains why your body may contain a carbon atom that was present in George Washington’s body in 1776? A.
harina [27]

D. Carbon moved in a cyclic fashion through the atmosphere and living organisms
5 0
3 years ago
A(n) _________ is a device that converts substances like
Alinara [238K]

Answer:

Explanation:

Answer

A fuel cell works on the principal of converting hydrogen and oxygen to electricity. It works on the principle of breaking down the hydrogen into a proton and an electron.  When electrons have passed through a passage (having created electricity) they are united with elements in the atmosphere producing heat and electricity and water.

5 0
2 years ago
What is the function of
STatiana [176]

In fact, without information from the innate immune system, the adaptive response could not be mobilized. There are two types of adaptive responses: the cell-mediated immune response, which is controlled by activated T cells, and the humoral immune response, which is controlled by activated B cells and antibodies. hope this helps :D

3 0
3 years ago
Read 2 more answers
Which is an example of a fungus?
omeli [17]
Bread mold, I believe.
8 0
4 years ago
Read 2 more answers
What kind of evidence has recently made it necessary to assign the prokaryotes to either of two different domains
Mandarinka [93]

Answer:

Molecular Evidence has recently made it necessary to assign the prokaryotes to either of two different domains.

Explanation:

  1. There was an OLD 5 classification system :
  • Monera
  • Protists
  • Plants
  • Fungi

    2. NEW 3 domain system reflects :

  • A greater understanding of evolution
  • Molecular evidence

Thus, the new domain includes :

  1. Prokaryote : Bacteria
  2. Prokaryote : Achaebacteria

    3. Eukaryotes :

  • Protists
  • Plants
  • Fungi
  • Animals
8 0
3 years ago
Other questions:
  • Which of the following is typically associated with a large amount of organic material in a water supply?. A) Lower turbidity. B
    8·1 answer
  • The main storage reservoir for water on earth is
    15·2 answers
  • Why are flowers pretty and fragrant?
    11·2 answers
  • What are the environmental pressures of the plant the cactus?
    14·1 answer
  • 4. Which of the following statements about reinforcement is true?
    14·1 answer
  • Adh secretion can be stimulated by either blood osmolarity changes or blood pressure changes in the heart or large vessels. TRUE
    14·1 answer
  • Study island for 7th grade
    9·1 answer
  • PLEASE CHOOSE ALL 3 CORRECT ANSWERS! WILL MARK BRAINLIEST IF CORRECT
    10·1 answer
  • development of the embryo in many aquatic animals in external and we can say that these animals do not take care of their young.
    5·1 answer
  • se tiene un trozo de pan de 10 gramos. si se comprime el trozo de pan. ¿cambia su volumen, su masa o su densidad?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!