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lara [203]
3 years ago
6

3) A ___________ describes what happens in the natural world, while a ____________ explains how things happen. A) theory; hypoth

esis B) theory; scientific law C) scientific law; theory D) hypothesis; scientific law
Biology
2 answers:
Sonbull [250]3 years ago
7 0
C: Scientific law, Theory
hram777 [196]3 years ago
3 0
C:scientific law;theory
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B. when the pollen lands on the sticky stigma

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All existing matter and space is referred to as the _______________
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The universe is the answer

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The classification of algae in taxonomic groups remains a topic of some debate. The classic approach to classification focused o
svp [43]

Answer:Phaeophyta--Described as "hairy" in appearance produce alginic acid, which can be used as a thickening agent.

Rhodophyta ;are utilized commercially to produce carrageenan and can photosynthesize at depths greater than 10 meters

Chlorophyta;Considered the progenitor of land plants, have 18S rRNA sequences comparable to plants

Chrysophyta;The is a diverse group that includes the diatoms, a major component of phytoplankton

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Chlorophyta are green algae that exist in water habitat an example is Chlamydomanas reinhardi.they have similar structures with higher plants such as chlorophyll, cellulose cell wall and stores food as starch.

The chrysophyta includes diatoms.diatoms have a cell wall composed of pectin and deposits of silica. They may occur in large deposit as diatomaceous earth.

Phaeophyta--are brown algae. An example is sea weed they are found in deeper ocean waters. Sea weed has a thallus which branches into a basal holdfast that aids attachment to rocks.their blade allows the plant to float

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3 years ago
Where on earth is the only location that the sun can ever be directly overhead?
Elanso [62]

Answer: the two tropics zones

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Between the two tropics zones, which includes the equator, the Sun is directly overhead twice per year. Outside the tropic zones, whether to the south or north, the Sun is never directly overhead. Two other significant lines of latitude are the Arctic Circle (around the North Pole) and the Antarctic Circle (around the South Pole).

4 0
2 years ago
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