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Kay [80]
3 years ago
9

How do the primary productivities of land and ocean ecosystems compare

Biology
1 answer:
Sunny_sXe [5.5K]3 years ago
8 0
Welll i really need help plz answer
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How can you tell when asthma is related to exercise?
kicyunya [14]

You can tell if asthma is related to exercise

(i)                  If a person has a coughing and shortness of breath. This feels a few minutes after an activity

(ii)                You feel constricted. When on the exercise you feel like you can’t get enough air in your lungs.

(iii)               A person feels fatigue after training instead of being energized.

(iv)              If a person lives in a dry environment the breath in air that is divided and colder than the other parts of your body.

3 0
3 years ago
Materials can move across capillary walls by _________.a. reabsorption. b. diffusion. c. filtration. d. All of the answers are c
Pavlova-9 [17]

Answer:

The correct option is D) All of the answers are correct.

Explanation:

The walls of the capillaries are thin due to which the processes of diffusion and filtration becomes lot easier in them. Gases such as oxygen and carbon dioxide cross the capillary walls through diffusion processes. As the walls of the capillaries are much thinner than that of veins and arteries hence. the processes of filtration and re absorption occur easily through them.

3 0
3 years ago
Estimating the Age of a Rock Layer
Ganezh [65]

Answer:

Relative dating is the technique to calculate the age of an ancient materials in comparison to another material's age. Layer A is less older, if layer B lies beneath it. Layer A may be 2.5 to 3 million years old.

Explanation:

Before discovery of radioactive carbon dating method, geologists make use of relative dating method in order to determine the age of rock or fossils. The relative dating procedure often referred to as stratigraphy. Though this procedure is not capable of predict absolute age or dating. In relative dating, is mainly based on the fact that the older rock layers will be deeper in respect to the less older rock layer.

4 0
3 years ago
Read 2 more answers
__________ denotes the biological differences between males and females.
abruzzese [7]
Gonads denotes the biological differences
7 0
4 years ago
Yall PLEASE help me!! Serious answers only!! No Links!!
QveST [7]

Answer:

1)A

2) C

3)A

4)C

I am pretty sure these are all right :D

Explanation:

8 0
3 years ago
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