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4 years ago

What do scientists call organisms, such as plants, which make their own food?

Chemistry

1 answer:

larisa [96]4 years ago

5 0

Most plants are called autotrophs they make their own food

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What is the importance of "Sodium" for human health?

Aneli [31]

Answer:

Explanation:

Sodium is both an electrolyte and mineral. It helps keep the water (the amount of fluid inside and outside the body's cells) and electrolyte balance of the body. Sodium is also important in how nerves and muscles work. Most of the sodium in the body (about 85%) is found in blood and lymph fluid.

6 0

3 years ago

Which is true about relative dating?

AleksAgata [21]

it's the last one because it's depended on the rock layers

8 0

3 years ago

Read 2 more answers

(04.02 LC) Based on the cell theory, which of the following is true?

prohojiy [21]

Answer:

Explanation:

there are billions of cells in living things. We are made out of millions of cells

4 0

3 years ago

Diamonds are measured in carats, and 1 carat=0.200 g. The density of diamond is 3.51 g/cm^3. What is the volume of a 5.0 - carat

Blizzard [7]

Answer:- Volume of the 5.0 carat diamond is $0.28cm^3$ .

Solution:- It is a unit conversion problem. Need to convert carat to grams and then using grams and density the volume could easily be calculated.

We have 5.0 carat diamond and asked to calculate it's volume. Density of diamond is given as $3.51\frac{g}{cm^3}$ and 1 carat = 0.200 g. Let's do this step by step:

First step is the conversion of carat to grams:

$5.0carat(\frac{0.200g}{1carat})$ = 1.0 g

In second step, grams are converted to volume using the given density as:

$volume=\frac{mass}{density}$

$volume=1.0g(\frac{1cm^3}{3.51g})$

$volume=0.28cm^3$

So, the volume of the 5.0 carat diamond is $0.28cm^3$ .

6 0

3 years ago

Write the resonance forms of ozone, O3, the component of the upper atmosphere that protects the Earth from ultraviolet radiation

aleksklad [387]

Answer:

The resonance forms of O3 are attached as an image.

Explanation:

A compound with different contributing structures comes together and forms a resonating or intermediate structure that best describes the properties of that compound.

The given compound is ozone, having the chemical formula

O3 = 6 electrons * 3 = 18 electrons

O → prefers to have a complete their octet

The bonding electrons and lone pair electrons are radical electrons that are present on the oxygen atoms tend to delocalize and results in various resonating forms of O3.

7 0

3 years ago