tyler281310 tyler281310

16-09-2022
Chemistry

Answered

A student is using a microscope to observe samples taken from pondwater. The student notices something
that she thinks may be a living thing. Which evidence would BEST support that the unknown sample is a
living thing?
A The sample is made of cells and is using energy.
B The sample is responding to stimulus and is breathing oxygen.
C The sample is producing bubbles and is growing larger.
D The sample is green and is moving.

Answer :

Other Questions

3. Consider a 0.500 L sample of carbon dioxide gas (CO2) at 600 torr and 50°C. a. How many moles of gas are in this sample? b. If 1 mol of CO2 has a mass of 44.

What is the average atomic mass of a sample of Calcium, if you have 37 atoms of Calcium-40 and 10 atoms of Calcium-41?

TASK 3: Figure 2 shows the chemicals given to a student. Figure 2 W Four different powdered metals X Y Z Dilute sulfuric acid The student wants to investigate t

A student is sitting in a moving car. Through the car’s window, the student sees a traffic light at an intersection pass by and out of sight as the car travels

In a sample of air at 25 °C, the molecules of oxygen, nitrogen and carbon dioxide all move with different average speeds. Which of the following lists the molec

Which of the following are homogenous mixtures? 1. Solid steel 2. An aqueous solution of salt 3. Molten salt A) 2 and 3 B) 1, 2, and 3 C) 1 and 3 D) 1 and 2 Tha

A student finds another object that looks similar to the first object. They weigh this second object and record the mass to be 33.4.g They fill a graduated cyli

Mass of magnesium (g) 5.0 6.5 13.6 (c) Mass of oxygen (g) 3.3 (a) 9.0 12.5 Mass of magnesium oxide (g) 8.3 10.8 (b) 31.5 15. Magnesium metal burns vigorously in

A student is performing an experiment that requires measuring the boiling point of water. The accepted value for the boiling point of pure water is 100.0ºC. In

Use these numbers: 1, 3, 5, 7, 9 21. What is the mode? What is the mean? What is the median? What is the range?