1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mr_godi [17]
3 years ago
11

Which of the following are observations? Select all that apply.

Chemistry
1 answer:
alexdok [17]3 years ago
8 0

Answer:

A and E

Explanation:

Observing means looking or watching with the eyes etc..

You might be interested in
Which two types of cells are involved in fertilization?
astra-53 [7]

Which two types of cells are involved in fertilization?

\sf\purple{D.\: egg\: cell;\: sperm \:cell}✅

  • Gametes are an organism's reproductive cells. The female gametes are called ova or egg cells, and the male gametes are called sperm.
  • During fertilisation, the gametes (an egg and sperm) fuse to form a zygote.

\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘

4 0
3 years ago
A piece of silver metal has a mass of 3.687 grams. If the density of silver is 10.5 g/cm, what is the volume of the silver?​
GenaCL600 [577]

Answer:

Volume = (0.62 m)^3

Explanation:

If the density of silver is 10.5 g/cm, the volume of the silver is (0.62 m)^3.

3 0
3 years ago
The atomic nucleus contains?
ycow [4]
The nucleus, that dense central core of the atom, contains both protons and neutrons. Electrons are outside the nucleus in energy levels. Protons have a positive charge,neutrons have no charge, and electrons have a negative charge. A neutral atom contains equal numbers of protons and electrons.
8 0
3 years ago
Someone help please this is due today!!?
maria [59]

Answer:

I think beaker three will take longer to boil since there is more water present,compared to the other beakers

3 0
3 years ago
A sequence of thermonuclear fusion processes inside massive stars can continue to transform the nuclei of elements such as carbo
nlexa [21]

Answer:

Iron is the element that is produced at the limit of the reaction.

Explanation:

In nuclear fusion 2 lighter nuclei are combined together into a single nucleus releasing a tremendous amount of energy in the process.

Up to fusion of iron the reaction of fusion is exothermic but when iron atom pops out the reaction becomes endothermic and it requires very high amount of energy to fuse iron atoms which is not available thus marking an end to the fusion reaction.

5 0
3 years ago
Other questions:
  • The nutritional information on a cereal box shows that one serving of dry cereal has 90 calories (actually kilocalories). If one
    6·2 answers
  • Spacing is often important in the name of a compound. For example, carboxylic acids are named using the parent carbon chain (wit
    7·2 answers
  • Rubidium iodide crystallizes with a cubic unit cell that contains iodide ions at the corners and a rubidium ion in the center. W
    10·1 answer
  • The length of a copper wire is 1.6 centimeters (cm). What is the length of this wire in meters (m)?
    12·1 answer
  • What is the sulfur ion electron diagram?
    8·1 answer
  • What element has 14 protons
    14·2 answers
  • Does temperature affect the speed of atoms?​
    8·1 answer
  • Name two kinds of rocks formed by conduction of energy.
    7·1 answer
  • How many molecules of water can be produced from 46.72 liters of C8H18? 2\:C_8H_{18}\:+\:25\:O_2\:\:\Longrightarrow\:\:16\:CO_2\
    11·1 answer
  • When water is added to a mixture Na_2O_2(s) and S(s), a redox reaction occurs, as represented by the equation below.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!