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Lena [83]
3 years ago
11

How has the human population changed during the last 50 years

Biology
2 answers:
saul85 [17]3 years ago
7 0
The answer for your question is A.
LUCKY_DIMON [66]3 years ago
7 0
The answer is A, increased exponentially. The reason being is we got better medicines, more hospitals, new cures. The more we advance, the bigger the population grows due to higher terms of life. hope this helps, have an amazing day :)
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The map of a walking trail is drawn on a coordinate grid with three points of interest. The trail starts at R(−2, 4) and goes to
Zinaida [17]

Answer:

The total length will be "10 units". A further explanation is given below.

Explanation:

The given points are:

R(−2, 4)

S(3, 4)

T(3, −1)

On applying the distance formula,

⇒ RS=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

⇒       =\sqrt{(3-(-2))^2+(4-4)^2}

⇒       =\sqrt{(3+2)^2+(0)^2}

⇒       =\sqrt{25}

⇒       =5 \ units

and,

⇒ ST=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

⇒       =\sqrt{(3-3)^2+(-1-4)^2}

⇒       =\sqrt{0+(-5)^2}

⇒       =5 \ units

Now,

The total trail length will be:

= RS+ST

= 5+5

= 10 \ units

7 0
3 years ago
The leg muscles of a sprinter would differ from a marathon runner in that ________. The leg muscles of a sprinter would differ f
andrew11 [14]

Answer:

The correct answer is - per gram, the marathon runner's muscles would contain more myoglobin than the sprinter's muscles.

Explanation:

Marathon runners have smaller leg muscles and thinner quads and calves as marathon runners require slow-twitch muscles while in sprinters the fast-twitch muscle requires. Slow-twitch muscles of marathon runners have more amount of myoglobin, per gram than fast-twitch muscles.

Myoglobin acts as local oxygen storage that provides oxygen to the muscles in case of less oxygen supply than required temporarily and a marathon race is an intense exercise or activity that requires more oxygen.

6 0
3 years ago
Which area of the respiratory system is vascularized with the richest capillary network in the body?​
elena-14-01-66 [18.8K]

Answer:

There are from 200-500 million alveoli (mean diameter = 200 micrometers) in adult human lungs

Explanation:

The epithelial cells of the alveolar septum are markedly thinned and the capillary network immediately beneath the epithelium is the richest in the body.hope this helps you :)

3 0
3 years ago
Read 2 more answers
Which is most necessary for specialization among producers to take place?
ruslelena [56]
It is the Free trade. A typical contention against free trade is the decrease of residential employments from the expansion in imported products from global nations. Free trade is exemplified by the European Economic Area and the Mercosur, which have built up open markets.
8 0
4 years ago
During fetal development, sudoriferous glands develop from the :
lozanna [386]

Answer: The correct answer is A) Stratum basale.

Sudoriferous glands are also called as 'Sweat glands'. They are exocrine glands as they secrete their substances through the duct. They are tiny tubular glands with the secretory unit which is present in the dermis or subcutaneous tissue, and a duct which opens on the surface of the skin. Their primary role is regulation of body temperature as by sweating, body heat is lost.

During fetal development, sudoriferous glands develop from the Stratum basale. It is the deepest layer of the epidermis. It is made up of a single layer of cells which are resting upon the basement membrane, a layer present between dermis and epidermis.

Thus, sudoriferous glands are derived from Stratum basale during fetal development.

3 0
3 years ago
Read 2 more answers
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