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Irina18 [472]
3 years ago
14

Which of the following is true of the spread of viruses? A. If a virus spreads to larger areas such as full continents, it is re

ferred to as an epidemic. B. A pandemic occurs from the spread of an epidemic, over major continents and even the entire world. C. An epidemic occurs from the spread of a pandemic, over major continents and even the entire world. D. A pandemic includes the infection of many people in a smaller area.
Biology
2 answers:
QveST [7]3 years ago
4 0
B. A pandemic occurs from the spread of an epidemic, over major continents and even the entire world. 
n200080 [17]3 years ago
3 0
B - Pandemic = <span>A pandemic is an epidemic of infectious disease that has spread through human populations across a large region; for instance multiple continents, or even worldwide (Wikipedia) </span>
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Match each description to the level of organization.
saul85 [17]

Answer:

Organ-  a group of tissues that work together to perform a common function

Organism- a living thing that is made out of organ systems

Organ system- a group of organs that work together

cell- the basic unit of structure and function of living things

Tissue- a group of cells that work together to perform a common function

Explanation:

8 0
3 years ago
A father has heterozygous A blood type, and his son has O blood type. What is the genotype of the mother
likoan [24]
Explanation:
With a Child's blood type of O the parents will be a combination of:
O and O
or
A and A
or A and B
or B and B.


Answer:
Since we know the father is A, then the mother must be O.

Since With the Parents' combination of blood types of A and O, the child can have the following possible blood types: A or O.
8 0
2 years ago
A plant's stem _____.
Natali5045456 [20]

Answer:

All the above

Explanation:

A stem is one of two main structural axes of a vascular plant, the other being the root. It supports leaves, flowers and fruits, transports fluids between the roots and the shoots in the xylem and phloem, stores nutrients, and produces new living tissue.

Stems have four main functions which are:[1]

Support for and the elevation of leaves, flowers and fruits. The stems keep the leaves in the light and provide a place for the plant to keep its flowers and fruits.

Transport of fluids between the roots and the shoots in the xylem and phloem(see below)

Storage of nutrients

Production of new living tissue. The normal lifespan of plant cells is one to three years. Stems have cells called meristems that annually generate new living tissue.

3 0
3 years ago
Read 2 more answers
A heterogeneous mixture is a
pshichka [43]
The answer is A i just took the test

A- Mixture in which its components retain their identity.

8 0
3 years ago
Carl is on an expedition to the bottom of the ocean. As the submersible sets down on the ocean floor, it is resting on what laye
ElenaW [278]
The answer is lithosphere
4 0
3 years ago
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