2 years ago

How do biologists learn which organisms we're the ancestors of today's plants?

1 answer:

5 0

by classifying into categories that get smaller and smaller these are the classification steps : life , domain , kingdom , phylum , class, order , family , genus , and species every time you narrow it down the option gets smaller and smaller till there's none left except the species it self .

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A) Calculate the molar mass of ethanol, C2H5OH and water, H20. C2H5OH = H2O = I

Mrrafil [7]

Answer:

1-46

2-18

Explanation:

c=12 H=1 O=16

ethanol (12×2)+(6×1)+(16)=46

water (2×1)+(16)=18

7 0

3 years ago

Elements that do not have full outer electron shells will donate, share, or take from other atoms. Choose the items that have th

Gnesinka [82]

Answer:

Ok...

Answer: YTH/JYG

Explanation:

AI+ZN+H=YTH

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3 years ago

A. Identify the structure drawn below.

nadya68 [22]

Answer:

Hexane

Explanation:

You have a carbon structure with only single bonds. This means that the name will end in -ane.

There are 6 carbon atoms. This means that the name will begin with hex-.

The structure is hexane.

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3 years ago

In the forward reaction of this equilibrium, which substance acts as the brønsted-lowry base? h2s(aq)+ch3nh2(aq)⇋hs−(aq)+ch3nh+3

spin [16.1K]

Answer: Bronsted base is something that accepts proton (H+) and acid is something that donates H+ so here CH3NH2 will be the base and H2S is the acid.

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3 years ago

What is the best reason for the difference in properties of LiCL and C6H14O

statuscvo [17]

The substances have different atomic masses, one is organic and one is inorganic, and Cl and Oxygen belong to different groups. There are more differences but these are the most basic ones.

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3 years ago