The graph below shows natural and human impacts on climate. Which
Thermal disruption (W/m?)
Agents of Climate Change
Natural
Human
processes activities
Halocarbons
Ozone
со,
Net change
Greenhouse gases
Net change
In energy
Total aerosols due to human
from Sun
activities
Warming effect
Cooling effect
assertion do the data support?
A. There is no reason to believe humans are causing global warming.
B. Human activities and natural processes have equal impacts.
C. Recent elevated temperatures are caused by human activities.
D. Natural processes are evidence against global warming.

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

Draw the structure of dna nucleotide with adenine as nitrogenous base

Can a trait be both polygenic and have multiple alleles? explain why or why not.