Whats a cell wall? explain in detail

If ocean currents have changed their circlulation patterns, you can conclude that

A friend of yours who has been doing some recent heavy drinking asks you what to do to "sober up" as quickly as possible. your best answer would be:

A sample of H2 (g) and a sample of N2 (9) at STP contain the same number of molecules. Each sample must have:

Which of the following is an organic compound? a. carbon monoxide (CO) b. sodium chloride (NaCl) c. sulfur oxide (SO) d. water (H2O)

William wanted to create a report on a geographical location with the greatest species diversity. Which ecosystem can consider for his report? the ocean a desert a tropical rain forest a coral reef

In a typical data table, the first column of data represents the variable.

America has 36 total chromosomes in each body cell. After meerkat cells undergo the process of meiosis each gamete will have how many chromosomes

The doctor said "The child is you, simply the best of you." What does this mean?

2. What is an investigation? What is a demonstration? How are the different?

In animals, embryonic stem cells differ from adult stem cells in that