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3 years ago

An example of a geologic feature on the floor of the Atlantic Ocean is a

1 answer:

5 0

Plate tectonics and the ocean floor. ... Where plates are pulled away (diverge) from each other molten magma flows upward between the plates forming mid-ocean ridges, underwater volcanoes, hydrothermal vents, and new ocean floor crust. The Mid-Atlantic Ridge, is an example of this type of plate boundary.

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1. What is the difference between external and internal fertilization? *

Andru [333]

Internal fertilization is the process when the syngamy (union of male and female gamete) occurs inside the female body after insemination using copulation. In contrast, External fertilization is the syngamy outside the female body, that is in the outer environment especially in water bodies.

7 0

3 years ago

How many grams of the compound in the figure above are required to make 1 liter of a 0.5 M solution? (Note: The atomic masses, i

Dafna1 [17]

Answer:

This question is incomplete as there is no figure in the question but the compound in the figure is Ethanoic acid (CH3COOH). Hence, we can calculate the mass.

The answer is: 30grams

Explanation:

According to the question, the volume of the compound (CH3COOH) is 1litre while the molar concentration is 0.5M

Molarity or Molar concentration is calculated using the formula:

M= n/V

Where; M= Molarity (M) = 0.5M

n= number of moles (mol)

V= Volume (V) = 1L

Hence, number of moles (n) = M × V

n = 0.5 × 1

n = 0.5 moles.

To calculate the mass in grams of CH3COOH, we say;

Number of moles (n) × molar mass (MM)

Since atomic mass for (C= 12, H= 1 and O=16)

Molar mass of CH3COOH:

= 12 + 1(3) + 12 + 16 + 16 + 1

Molar mass of CH3COOH = 60g/mol

Mass (in grams) of CH3COOH = 0.5 moles × 60g/mol

Mass = 30grams.

Therefore, 30grams of CH3COOH compound are required to make 1 liter of a 0.5 M solution.

6 0

3 years ago

Which statement is true about gold and helium

RideAnS [48]

Answer:

needs more info to be answered could you state them down or put a pic

Explanation:

4 0

3 years ago

From these results, determine the relationship between the mutant allele and its corresponding wild-type allele in each line. La

klasskru [66]

Question is incomplete i have added full question in ask for detail section as well as in picture format with answer. See figure for clear explanation.

Answer:

(Twisted leaves)

The mutant allele is dominant to its corresponding wild-type allele

(Forked leaves)

The mutant allele is dominant to its corresponding wild-type allele

(pale leaves)

The mutant allele is neither dominant nor completely recessive to its corresponding wild-type allele

Explanation:

I have attached picture which explains phenomenon it self.

7 0

3 years ago

Which sequence represents the normal blood flow in pulmonary circulation?

Ket [755]

We add a whole number close with respect

6 0

2 years ago