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2 years ago

Why can't a corona virus that infects a bird infect a human?

Chemistry

1 answer:

Ipatiy [6.2K]2 years ago

4 0

Explanation:

Hi,

I don't think it can affect humans because humans and birds don't get into contact with each other. An insect and a human do, therefore a human could be affected, but a bird doesnt.

I hope this helps :)

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A graduated cylinder is filled to 10.0 mL with water and a piece of granite is placed in the cylinder displacing the level to 23

Rus_ich [418]

Answer:

13.7 cubic centimeters

Explanation:

23.7-10=13.7mL

8 0

3 years ago

Corn plants and milkweed plants grow in the same area. Over several years, the milkweed plants have taken over the field and the

Katyanochek1 [597]

Answer:

This question is incomplete, the complete part of the question is as follows:

This best demonstrates which type of an interaction between the plants?

A. cooperation

B. parasitism

C. commensalism

D. competition

The answer is D

Explanation:

Organisms in their natural environment interact with one another in so many ways. The ways by which this interaction occurs are; competition, predation, commensalism etc.

Competition is the interaction between two organisms in which one or both organisms are harmed due to limited resources. Competition occurs when the organisms involved occupy the same niche or utilize the same limited resources.

In this question involving corn plants and milkweed plants. They are said to grow in the same area. Over several years, the milkweed plants have taken over the field and the corn plants no longer have space to grow. In this case, there is a limited space for growth, hence, the corn plant and milkweed COMPETE.

8 0

3 years ago

A sample of a gas in a balloon has a volume of 2.22 L and temperature of 23.9 °C. Calculate the volume when the temperature is r

nignag [31]

Answer:

Volume = 4.28L

Explanation:

Charles's gas law relates the volume and temperature of a gas at constant pressure. This law says that at constant pressures if we raise the temperature of a gas it will expand and if we reduce the temperature the volume will decrease. The formula is as follows:

${\frac {V_{1}}{T_{1}}}={\frac {V_{2}}{T_{2}}}$

So, the initial conditions are 2.22L and 23.9 °C ant the final conditions are 46.1 °C we replace them in the equation. And then we solve it.

${\frac {2.22}{23.9}}={\frac {V_{2}}{46.1}$

${\frac {2.22}{23.9}} {46.1}={V_{2$

${4.28}={V_{2$

4 0

3 years ago

Which of the chemical formulas above has the most total atoms? Question 1 options: a) D b) C c) B d) A

Ratling [72]

Answer:

I think the answer is Bd

Explanation:

6 0

3 years ago

Read 2 more answers

Use the law of conservation of mass to answer the questions.

irinina [24]

Answer:

$\boxed {\boxed {\sf 28 \ grams}}$

Explanation:

The Law of Conservation of Mass states that mass cannot be created or destroyed.

In terms of a chemical reaction, the mass of the reactants has to equal the mass of the products.

The reactants are A and B. The mass of A is 19 grams and the mass of B is 24 grams. Add the masses.

19 g + 24 g= 43 g

This is the mass of the reactants.

The products and C and D. The mass of C is 15 grams. The mass of the products has to equal the mass of the reactants, which is 43 grams. Subtract 15 from 43 to find D's mass.

43 g - 15 g= 28 g

<u>28 grams</u> of D will be produced.

5 0

3 years ago