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3 years ago

Precipitation occurs when the tiny liquid or ice droplets that form clouds get too heavy to float.

Biology

2 answers:

m_a_m_a [10]3 years ago

8 0

Answer:

true

Explanation:

MrRa [10]3 years ago

5 0

True.

Precipitation is a water cycle process that happens when tiny droplets of liquid falls from the atmosphere it was settling. The hydrogen and oxygen mix back together and forms the water droplet altogether as it falls.
The water cycle involves other process from evaporation, condensation and precipitation.

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In which phylum do we see plants with lignin, vascular system but no seeds?

andre [41]

Answer is the phylum is Pteridophyta. Pteridophytes are first land plants, examples ferns, Lycopodium, Selaginella. Members have liginified cells and developed conducting tissues called vascular system to conduct water and synthesized food. They reproduce through spores, seeds do not develop in pteridophytes.

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3 years ago

With independent assortment, the ratio of genotypes in the F2 generation of a cross between true-breeding strains (AA bb x aa BB

MariettaO [177]

Answer:

c. Aa Bb

Explanation:

The parents were pure breeding with genotypes AAbb and aaBB. A cross between AAbb and aaBB would produce AaBb genotypes in F1 progeny. Two F1 strains would be crossed to produce F2 progeny. The F2 progeny would have the genotype ratio= 1:2:1:2:4:2:1:2:1.

Out of all the obtained genotypes in the F2 generation, the proportion of "AaBb" genotype was 4/16. Therefore, "4" in the given ratio represents the genotype "AaBb".

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3 years ago

What is osmolarity? Hemopoiesis?

Andrej [43]

Answer:

Osmolarity:

Osmolarity may be defined as the number of solutes dissolved in per solution of liters. The osmolarity plays an important role in the human body as it maintains the water electrolyte balance in the body. The osmolarity of the human plasma is about 275-299 milli-osmoles/kilogram.

Hemopoiesis:

Hemopoiesis may be defined as the process of formation of blood cells in the body. The main types of blood cells formed during this process are red blood cells, white blood cells and platelets. The hemopoiesis majorly occurs in the bone marrow cells.

8 0

3 years ago

Need some quick help with this:

Viefleur [7K]

Answer:

option A : green plants

Explanation:

green plants will be at the base of the trophic level pyramid as they are the producers .

plz mark my answer as brainlist plzzzz.

hope this will be helpful to you.

5 0

3 years ago

Read 2 more answers

What causes reactive hyperemia to increase tissue perfusion? local controls hormonal controls respiratory controls urinary contr

Over [174]

I believe that local controls are what causes reactive hyperemia to increase tissue perfusion. Reactive hyperemia or venous hyperemia is the transient increase in organ blood flow that occurs following a brief period of ischaemia.
Tissue perfusion is the decrease in oxygen resulting in the failure to nourish the tissues at the capillary level. Local blood flow regulation involves the rapid control of arterial vasomotion based on the metabolic needs of the surrounding tissues and cells.

6 0

3 years ago