It is B, <span>In fact, water will sink as it cools until a certain point. If I recall correctly this is around 39 F. As the temp gets lower than that water actually begins to expand and becomes less dense. This is why ice floats, which we should all be thankful for. If ice didn't float than all water on earth would likely freeze solid and life would have probably never evolved past small single celled things.</span>
Due to the numerous distractions they experienced and the teachers' incapacity to maintain control of the online learning environment, some participants noted that learners found it difficult to focus throughout the sessions.
The study discovered the following difficulties that research students faced: 1) Lack of foundational knowledge from junior high school, 2) Formulating a Topic, 3) Dealing with a research team, 4) Inadequate Resources, 5) Data Analysis and Treatment, and 6) Maintaining motivation throughout the study. The majority of students find online learning to be boring and frequently lament their lack of drive to complete a course. Having a time management system is perhaps the hardest obstacle for students to overcome because it solely depends on self-motivation. Even professors frequently lament the lack of resources to make the classes engaging, leading to a loss of interest from both sides.
To learn more about online learning click the link below:
brainly.com/question/29574078
#SPJ4
Natural Vegetation means the vegetation is growing by itself for example you have been growing onions so it been grown by it self
with sunlight and water
Wildlife means the adaptation of animals where the animals live.
Answer:
The stars mass (once it becomes a star) is inversely proportional to its lifetime as a main sequence star. A red dwarf can survive for many billions of years; a star that has twice the mass of the Sun, such as Sirius A, will have 25% of the Suns lifetime.
Hope this helps :)
Explanation:
