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Fantom [35]
3 years ago
11

What is your favorite element on the periodic table?

Biology
2 answers:
Nitella [24]3 years ago
7 0

H20

brings life as know as water

klemol [59]3 years ago
6 0

Answer:

Example: My favorite element from the periodic table is Oxygen. Oxygen is vital for the human life and it is one of the most critical for human existence.

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How much energy is produced when the sun
adell [148]

Answer:

E=1.53\times 10^{17}\ J

Explanation:

We need to find the energy produced when Sun converts 1.7 kg of mass into energy. Einstein's mass energy relation is given by :

E=mc^2

c is speed of light

E=1.7\times (3\times 10^8)^2\\\\E=1.53\times 10^{17}\ J

So, energy produced is 1.53\times 10^{17}\ J.

7 0
3 years ago
Any three ways by which harmful subtances could contaiminate bod
saul85 [17]
Through a cut or an injury where any skin has been broken.

An infection through an animal's bite or sting.(Like the West Nile Virus which spreads though mosquito bite, or Rabies though an infected mammal's bite).

Can be inhaled or consumed and go from the lungs into the other organs causing harm internally.
  

4 0
2 years ago
Which statements about salt water are true? Check all that apply.
Romashka [77]

Answer:

2. Fresh water is essential to all life on earth.

and

4. Most of earth's water is stored in the oceans

Explanation:

Hope this helps you! :)

7 0
2 years ago
In a savanna, gazelles, wildebeests, and warthogs eat grasses. Lions and cheetahs eat gazelles and wildebeests. Lions and wild d
Margarita [4]
Grasses are the producers. Gazelles, warthogs, and wildebeests are primary consumers. Lions and cheetahs would be the secondary consumers.
4 0
3 years ago
Bobby touches his newborn brother's palm, and his little brother takes hold of Bobby's finger and will not let go. This is known
VARVARA [1.3K]

Answer: conditioned

Bobby touches his newborn brother's palm, and his little brother takes hold of Bobby's finger and will not let go. This is known as the conditioned reflex.

Explanation:

A conditioned reflex is a response or behaviour learned after birth. So, once the newborn acquires this learned response, they can perform them even without thinking about it.

Thus, Bobby's brother (the newborn) holding on to his finger and not letting go shows that it is a conditioned reflex

7 0
3 years ago
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