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mezya [45]
3 years ago
11

HELPPP!!! ASAPPPP!!!!

Biology
1 answer:
Anni [7]3 years ago
6 0
Vertebrates do not have an exoskeleton they have backbones
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For many of their illnesses scientist and doctors haven't treated them before so they don't know how to treat them or exactly if the animal can handle the treatment
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What is the Marcellus Shale, and why is it so important to ancient ocean life?
Natalija [7]

The Marcellus Shale also categorized as the Marcellus formation is a marine sedimentary rock unit of middle Devonian age found in eastern North America. It elongates throughout the major of the Appalachian Basin.  

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8 0
3 years ago
Lead poisoning can cause extensive organ/system damage, including: a. Respiratory failure, circulatory system collapse, and skin
adell [148]

Answer:

The correct answer will be option-C

Explanation:

Lead is a metal found in the Earth's crust which through human practices like using it in paints and other products cause lead poisoning in humans due to accumulation of lead in the body.

Lead poisoning can affect the child above 6 years and adults and prove harmful as its increased concentration can cause severe health problems common of which are the development of anaemia due to large consumption, brain damage, reduced mental growth and severe stomach ache.

Thus, Option-C is the correct answer.

4 0
3 years ago
The hollow area left in a rock from a former organism is a(n):
Alex
What remains left is called a <span>Fossil</span>
6 0
3 years ago
What is Troposphere stratosphere exosphere Mesosphere and Thermosphere
Reil [10]

Answer:

Earth's atmosphere has a series of layers, each with its own specific traits. Moving upward from ground level, these layers are called the troposphere, stratosphere, mesosphere, thermosphere, and exosphere. The exosphere gradually fades away into the realm of interplanetary space.

Explanation:

Layers of Earth's Atmosphere | Center for Science Educationhttps://scied.ucar.edu

5 0
2 years ago
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