Answer.
Toxoids are chemically inactivated toxins from bacteria like Clostridium tetani or Corynebacterium diphtheria. The infection with these bacteria itself does not cause the illness, but rather the exotoxins released from the bacteria. Accordingly, vaccination with toxoids leads to an antibody production against the toxins that neutralize the proper toxin protecting the body against a range of important diseases (Marvaud et al., 1998; Collier, 1975).
What were the first forms of life to exist on earth?
A. Plants
B. Fish
C. Humans
D. Bacteria
Reset Selection
Answer:
D. Bacteria
Explanation:
Bacteria, bacteria pretty much created everything
PLS HELP ASAP
Which of the following is not true about salt lakes?
A) The water that flows in contains salt or minerals.
B) They have only outflows to other water bodies but in most cases no inflows.
C) There is no outflow to other bodies.
D) Salt is left behind after evaporation.
Why do some plants in the rainforest have bright flowers and grow close to the ground? O to repel any extra rainfall O to get as much sunlight on their leaves as possible O to keep animals and people away from them O to attract birds and insects for pollination
Global economic development has led to an increase in the use of fossil fuels
worldwide. Which of the following would be the best solution to this global
economic problem?
A. Encouraging developing countries to participate in global trade
B. Establishing international agreements to prevent overfishing
C. Forming strict regulations on greenhouse gas emissions
D. Creating an international seed bank to protect biodiversity
SUBMIT
Answer: C
Explanation: I think it’s C because there were like strict regulations on greenhpuse gas emissions.
boilogy ;factors that affect enzymetic activites
Answer:
gggg
Explanation:
what do the data suggest is happening to the level of carbon dioxide
Answer: The concentration of carbon dioxide in Earth's atmosphere is currently at nearly 412 parts per million (ppm) and rising. This represents a 47 percent increase since the beginning of the Industrial Age, when the concentration was near 280 ppm, and an 11 percent increase since 2000, when it was near 370 ppm.
Absorption happens the best when the food molecules are in what form?
Answer:
Smaller particles and energy
Explanation:
Digestion of food refer to breaker down of large food components into smaller particles. When food is ingested or swallowed, it go through slot of processes where it is acted upon by enzymes and it is then breakdown into smaller particles which can be absorbed by the villi in the small intestine. For examples carbohydrates can best be absorbed when it is broken down to monosaccharides like glucose in the intestines.
which is best describes a predator animal?
Which statement is true of every living organism?
O DNA is found in 46 chromosomes.
O DNA is protected inside a nucleus.
O DNA is made of four types of nucleotides.
O DNA is found in 23 homologous chromosome pairs.
The statement which is true of every living organism is DNA is made of four types of nucleotides.
What do you mean by Living organisms?Living organisms may be defined as those organisms which can reproduce, breathe, and have a well-defined system for metabolism activity.
Not all living organisms have 46 chromosomes, 23 homologous chromosome pairs, and a well-defined nucleus.
Therefore, the statement which is true of every living organism is DNA is made of four types of nucleotides.
To learn more about Living organisms, refer to the link:
https://brainly.com/question/17259533
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Convection in the troposphere causes
•wind •ocean currents •both wind and ocean currents •neither wind nor ocean
Explanation : The uneven heating of the regions of the troposphere by the sun ( the sun warms the air at the equator more than the air at the poles ) causes convection currents, large-scale patterns of winds that move heat and moisture around the globe. As air rises, expands, and cools, water vapor condenses and clouds develop.
what is currently being done by pollution around the world
Answer:
Heyaaa!! My name is Pinky!! I will be informing you that you're answer is...
Explanation:
!!!! Water Pollution !!!!
-conserving water
-not throwing litter and chemicals into sinks or toilets
-not littering in rivers, oceans, Ponds, Pools
-not overusing your fertilizers
-Water filtration filters out all the pesticides
!!!! plastic pollution !!!!
-avoid using plastic utensils
-people are caring there own utensils
-reusable water bottles, coffee mugs, and bags
-packaging is fully recyclable
-recycling actually happens
Have A Nice Day!!!
~Pinky~
put the following in order from longest wavelength to the shortest wavelength: ultraviolet, microwaves, x-rays, infrared
Answer: x-ray< Ultraviolet < infrared<Microwaves
Explanation:
Neurons are categorized by the
A
direction in which they carry impulses.
B
amount of metabolic activity that takes place.
C
number of dendrites that branch out.
D
number of impulses that they carry.
Ocean warming is caused by the increase in greenhouse gases in the atmosphere. Which of these are effects of ocean warming? Choose all that apply.
coral bleaching
increasing marine phytoplankton
oxygen depletion
increases to ocean pH
decreasing sea level
increased ocean acidity
Answer:A,C,F
Explanation:
USATestprep
2. Survival of the fittest...explain it.
Answer:
it means from Dory Evolution Theory as a ways out describing the mechanics of natural set section the buyer logical concept of this is the success
How much of Earth's water is located in the oceans?
O A. 70%
OB. 80%
C. 55%
D. 95%
Answer:
D. 95%
Explanation:
Answer:
D
Explanation:
how are petrified remians formed
Explanation:
Petrified fossils form when minerals replace the structure of an organism. This process, called permineralization, occurs when groundwater solutions saturate the remains of buried plants or animals. As the water evaporates the minerals remain, eventually filling in the spaces left as the organism slowly decays.
Name ways humans impact our ecosystem.
Answer:
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Explanation:
list four different cells found in man and give one function of each.
Answer:
Epithelial Cells. These cells are tightly attached to one another.
Nerve Cells. These cells are specialized for communication.
Muscle Cells. These cells are specialized for contraction.
Connective Tissue Cells.
Explanation:
I only could do the important 4 sorry but I hope this helps you sorry if it doesn’t help you
what significance does the temperature zone have on commercial fishing
Answer:
Step by step explanation
what particle travels in an electromagnetic wave?
proton
electron
neutron
photon
Answer:
Electrons and protons.
Answer:
I believe it's photon.
Explanation:
The wave-particle theory.
I hope it's right! If not, I tried, so so sorry.
12. The respiratory system includes the lungs, what level of body organization are the lungs
a. Tissue
b. Organ
c. Organ System
d. Cells
look at the map on the screen. list the region or countries the majority of african elephants inhabit
Answer:
what map
Explanation:
[tex]regalo \: puntos[/tex]
Answer:
jaja gracias
Explanation:
DNA is one example of how genetics is used as evidence of evolution. Explain what this is and how it is used
Can someone define gradualism ? ( No big paragraphs just one sentence)
Answer: a policy of gradual reform rather than sudden change or revolution.
What are the three parts of modern cell theory. Choose all that apply.
A.) The cell is the smallest living unit in organisms
B.) All cells come from other pre-existing cells
C.) All living things are made of cells
D.) All organisms are multicellular
Answer:C.) All living things are made of cellsExplanation:
hii! i’ll give brainliest pls help
Answer:
I believe the answer is A. not building towns near the edge of a tectonic plate
Why do Americans create so much more waste than people in less-developed countries? Explain your answer.
More developed countries are likely richer and more populated. This population creates much more waste than smaller, less-developed countries.
is it gay to kiss the boys goodnight
'3'
Answer:
no sir :)
Explanation:
I kiss the girls goodnight <3