What is the theory that all life is composed of cells, cells are the functional unit of life, and all cells must come from preexisting cells

Match the charge to the component of an atom

Assume the variable var refers to the dictionary {“name”: Kyle, “age”: 20}. The expression var.get(“Email”, None) evaluate to _______.

Given  class = ‘good class’  and str = ‘’It’s just a very {}!”, the statement print(str.format(class)) prints which of the following?

Linear regression is to draw an exponential line relationship between a response variable (also called independent variable) and a predicator variable (also called dependent variable).

In pandas, a Series represents a row of the DataFrame.

All the followings are the methods used in pandas to clean missing data except _____

Given a string variable course = ‘isbc 300’, course[0:5] will return which of the following?

The file method read( ) reads the content of a file one line each time.

Given a pandas dataframe df, which of the following method shows the first few rows of the data set in df?