The most recent and arguably best-known, the Cretaceous–Paleogene extinction event, which occurred approximately 66 Ma (million years ago), was a large-scale mass extinction of animal and plant species in a geologically short period of time.
Answer:
A) all living things are made of cells.
Explanation:
Cell theory is presented by Matthias Schleiden in 1839. Cell theory states that "all the living organisms are madeup of one or more cells". Cell contains nucleus in the center which controls all activities of the cell. The organelles which are present in the cell are mitochondria, lysosomes, ribosome, cytoplasm, endoplasmic reticulum, golgi bodies and vacuoles. Every organelle has its own function.
Answer:
True
Explanation:
They protect you against illness and disease
Answer:
Constante de resorte, k = 19.745 N/m
Explanation:
<u>Dados los siguientes datos;</u>
Masa, m = 2 kg
Periodo, T = 2 segundos
Para encontrar la constante del resorte, k;
Dónde;
- T es el período.
- m es la masa del objeto.
- k es la constante del resorte.
Haciendo k el tema de la fórmula, tenemos;
Sustituyendo en la fórmula, tenemos;
<em>Constante de resorte, k = 19.745 N/m</em>
The answer would be Nucleus....Chromatin or the last option.
Hope this helps! (:
