Which of the following properties always stays the same, even when an object goes through a physical change? A. taste B. shape C. color D. chemical composition

In which human activity has had the greatest impact on increasing mercury levels

Are good conductors of heat also good conductors of electricity

How do we know global warming is real

The complex mixture of polymers coating the spore that protects the spore from dessication and UV radiation is:

Explain how tornadoes form.

Which type of mindset do you have if you have high self-efficacy? Question 9 options: a fixed mindset a growth mindset

Enzymes work best at?

Which technique is used to separate the different cell parts?

How do scientists know that the universe is expanding? The Doppler effect shows stars with yellow shifted light The Doppler effect shows stars with green shifted light The Doppler effect shows stars with red shifted light The Doppler effect shows

What are two ways in which scientists transform plant cells without using plasmids?