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alexandr1967 [171]
2 years ago
6

What organism has been found in the oldest fossils?.

Biology
1 answer:
jok3333 [9.3K]2 years ago
4 0

Answer:

cyanobacteria

Explanation:

The cyanobacteria have an extensive fossil record. The oldest known fossils, in fact, are cyanobacteria from Archaean rocks of western Australia, dated 3.5 billion years old.

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What properties do alcohol and water share?
dangina [55]
Water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules and likewise alcohol molecules can from hydrogen bonds with other alcohol molecules as well as with watee
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3 years ago
Annie wants to find out if having a substance dissolved in water changes the temperature at which the liquid boils. She prepares
gladu [14]

Answer:

The dependent variable is: the temperature at which liquid boils.

Explanation:

The Dependent variable in a study or research is the variable that is measured after the modification or change in the particular research independent variable.

In this case, the independent variable is the treatment that liquid or water get which is the addition of 3 gm salt, and in the response to this treatment change in the boiling point of the liquid will be the dependent variable.

Thus, the correct answer is -  the temperature at which liquid boils.

5 0
3 years ago
Explicamos los factores que
gladu [14]

Answer:

Contaminación por quema de combustibles fósiles en vehículos, deforestación y uso de químicos en agricultura.

Explicación:

La contaminación por quema de combustibles fósiles en vehículos, la deforestación y el uso de químicos en la agricultura son los factores que generan problemas ambientales en nuestra comunidad. La quema de combustibles fósiles en vehículos e industrias libera gas de dióxido de carbono que aumenta la temperatura del área, la tala de árboles para uso doméstico tiene un efecto negativo en el medio ambiente. En nuestra comunidad, los productos químicos se utilizan para obtener una mayor producción que también contaminan los cuerpos de agua y los animales acuáticos afectados.

5 0
2 years ago
Who knows this it is for today?
jeyben [28]

Answer:

Since omni- means all, then we know that omnivores will eat a lot of things

Explanation:

And omnivores do eat both meat and vegetation

6 0
2 years ago
Read 2 more answers
how does the energy of the reactants and products differ between an energy absorbing reaction and an energy releasing reaction
Nikitich [7]
In an energy absorbing reaction, the energy of the products is greater than the energy of the reactants. In an energy releasing reaction, the energy of the reactants is greater than the energy of the products.
6 0
3 years ago
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