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Studentka2010 [4]
2 years ago
6

What one is not a problem related to the timber industry?

Biology
2 answers:
jasenka [17]2 years ago
8 0

Answer:

chemicals are dumped into lakes and rivers

Explanation:

all the other choices are results of cutting down trees

11Alexandr11 [23.1K]2 years ago
8 0

Answer:

A chemicals are dumped in the lake and river

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Match the given terms with the immune defense mechanisms.
svetoff [14.1K]
<span>The immune system is the body's natural defense mechanism against organisms that can cause infection.There are three types of mechanisms:
1. Cellular :</span><span> refers to the recognition and/or killing of virus and virus-infected cells by leukocytes and  the production of different soluble factors (cytokines) by these cells when stimulated by virus or virus-infected cells
</span><span>
2. Structural: </span>barriers and the immune system defend the body<span> against organisms that can cause infection. </span>Natural<span> barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid.

3. Chemical: </span><span>Some of these include the low pH of the stomach, which inhibits the growth of pathogens; blood proteins that bind and disrupt bacterial cell membranes; and the process of urination, which flushes pathogens from the urinary tract. 

</span><span>antibodies - chemical
tissues lining hollow organs - cellular
phagocytes - cellular
skin - structural
antigen - chemical
leukocytes - cellular</span>
5 0
3 years ago
Read 2 more answers
Which statement best describes this role of plastids in the plant cell?
denis-greek [22]

Answer:

A) Chloroplasts transform light energy into chemical energy.

Explanation:

Chloroplasts are plastids, cellular organelles inherent in plant cells, which contain a green pigment, chlorophyll, by which they perform photosynthesis.

Photosynthesis is a process in which, with the help of chlorophyll, solar energy is converted into chemical energy in order to use that chemical energy (ATP) for the synthesis of organic matter from inorganic matter (CO2 and H2O).

5 0
3 years ago
How does water move across a cell membrane?
blondinia [14]
At the same time, carbon dioxide molecules diffuse rapidly out of the red blood cells<span>, down their concentration gradient, and into your lungs. When </span>water<span> molecules </span>move <span>freely </span>across a cell membrane<span>, the process is called OSMOSIS , which is just a special type of simple diffusion.</span>
5 0
3 years ago
Which of the following statements does not support the conclusion that giraffes are k-selected species?
Trava [24]

The correct answer is C. Newborn giraffes are capable of coordinated walking within an hour of birth, and running within 24 hours of birth.

Explanation:

In biology, k-selected species are species that have stable populations although they do not give birth to multiple offspring at once and individual offspring are mainly big animals that require more time to mature this makes parents invest more time and effort in them to guarantee they survive. According to this, giraffes can be classified as k-selected species because they usually have limited offspring (Giraffes rarely give birth to twins), they seem to mature slowly and offspring requires more care and time (giraffes begin mating at 6-7 years of age) and they are large when they are born (Giraffes are approximately 6’ tall and weigh 150 lbs at birth).

However, the fact "Newborn giraffes are capable of coordinated walking within an hour of birth, and running within 24 hours of birth" does not support the idea these animals are k-select species because this shows rapid maturation and little time and effort invested which is the opposite to k-selected species.

4 0
3 years ago
Determine the averages of the runners
Leona [35]

Answer:

Jaylyn Fly's average is 11

Suzy Swoosh's average is 10.9

Suhain Sprint's average is 10.4

Explanation:

When you need to find an average, you just need to add the numbers up and then divide by the total number of values you added.

3 0
3 years ago
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