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Rufina [12.5K]
4 years ago
15

Brainliest

Biology
2 answers:
harina [27]4 years ago
8 0

Answer:

(B) Carbon Dioxide

kolezko [41]4 years ago
5 0

Answer:

Carbon Dioxide

Explanation:

10000%%% sure trust me.

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Compare and contrast the two types of bonds
stepan [7]

Answer:

An ionic bond is formed between a metal and a non-metal. Covalent bonding is a form of chemical bonding between two non metallic atoms which is characterized by the sharing of pairs of electrons between atoms and other covalent bonds.

Explanation:

There are two types of atomic bonds - ionic bonds and covalent bonds. They differ in their structure and properties. Covalent bonds consist of pairs of electrons shared by two atoms, and bind the atoms in a fixed orientation. Relatively high energies are required to break them (50 - 200 kcal/mol). Whether two atoms can form a covalent bond depends upon their electronegativity i.e. the power of an atom in a molecule to attract electrons to itself. If two atoms differ considerably in their electronegativity - as sodium and chloride do - then one of the atoms will lose its electron to the other atom. This results in a positively charged ion (cation) and negatively charged ion (anion). The bond between these two ions is called an ionic bond.

8 0
3 years ago
¿Cómo a través de la respiración y la alimentación el hombre puede producir su energía para mantener
Helen [10]

Answer:

Las células de su cuerpo usan el oxígeno que respira para obtener energía de los alimentos que ingiere. Este proceso se llama respiración celular. Durante la respiración celular, la célula usa oxígeno para descomponer el azúcar. La descomposición del azúcar produce la energía que su cuerpo necesita.

Explanation:

8 0
3 years ago
Please help. I'll give brainliest :)
Fantom [35]

Answer:

Horsts and Grabens - A narrow block dropped down between two normal faults is called a graben (looks like a small valley). The upraised block is called a horst (looks like a plateau). Normal faults are the dominant structures along the oceanic ridge, and in continental rifts.

Explanation:

5 0
3 years ago
Read 2 more answers
What's the difference between using a vaccine and using an antiviral?
bija089 [108]
Vaccine is preventing the infection.
Antiviral is a medicine taken after infection
6 0
3 years ago
Which of the following forests contains 50% of terrestrial plants and animal species?
Vinvika [58]

Answer:

This question lacks options, they are:

a)Cold forest

b)Tropical forest

c)Temperate forest

d)Cloud forest

e)Alpine forest

The answer is B. Tropical forest

Explanation:

Tropical forest is one of the forests found in nature. The tropical forest receives the best environmental conditions in terms of vegetation growth. Hence, it is said to contain the most diverse organisms in nature. This means that tropical forests holds more species of terrestrial organisms than any other forest or biome.

Therefore, tropical forests are believed to contain 50% of the Earth's terrestrial plants and animal species due to their biodiversity richness.

8 0
3 years ago
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